Questions tagged [runtime]
Runtime is the time during which a program is running (executing)
runtime
7,844
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How to find where a method is defined at runtime?
We recently had a problem where, after a series of commits had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to ...
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How to add property to a class dynamically?
The goal is to create a mock class which behaves like a db resultset.
So for example, if a database query returns, using a dict expression, {'ab':100, 'cd':200}, then I would like to see:
>>&...
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java.lang.NoClassDefFoundError: Could not initialize class XXX
public class PropHolder {
public static Properties prop;
static {
//code for loading properties from file
}
}
// Referencing the class somewhere else:
Properties prop = PropHolder.prop;
...
- 8,331
216
votes
8
answers
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views
What is the C runtime library?
What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides ...
- 8,319
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Java Runtime.getRuntime(): getting output from executing a command line program
I'm using the runtime to run command prompt commands from my Java program. However, I'm not aware of how I can get the output the command returns.
Here is my code:
Runtime rt = Runtime.getRuntime();
...
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votes
6
answers
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views
Is there a "vim runtime log"?
Sometimes I try a customization/command in my vimrc. Everything seens to be correct, but it just doesn't work.
It's difficult to know what's happening when vim starts, and know which command failed ...
175
votes
3
answers
69k
views
Objective-C Runtime: best way to check if class conforms to protocol?
I have a Class (but no instance) and need to know if it conforms to a certain protocol. However, Class can be subclassed several times and class_conformsToProtocol() ignores protocols declared on ...
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How do you calculate program run time in python? [duplicate]
How do you calculate program run time in python?
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What's the difference between SDK and Runtime in .NET Core?
I've read many articles, including this one, yet I can't still figure out what's the difference, and they have not explained it either in simple terms or at all.
Can someone please clarify what's the ...
144
votes
10
answers
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Dynamically Changing log4j log level
What are the different approaches for changing the log4j log level dynamically, so that I will not have to redeploy the application. Will the changes be permanent in those cases?
- 8,019
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How fast is D compared to C++?
I like some features of D, but would be interested if they come with a
runtime penalty?
To compare, I implemented a simple program that computes scalar products of many short vectors both in C++ and ...
- 2,636
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votes
16
answers
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Java Error opening registry key
I get this error when I try to do anything with Java in command prompt:
Error opening registry key 'Software\JavaSoft\Java Runtime Environment.3'
Error: could not find Java.dll
Error: could not find ...
- 1,589
137
votes
5
answers
103k
views
how to "reimport" module to python then code be changed after import
I have a foo.py
def foo():
print "test"
In IPython I use:
In [6]: import foo
In [7]: foo.foo()
test
Then I changed the foo() to:
def foo():
print "test changed"
In IPython, the result ...
- 3,909
127
votes
6
answers
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Rails: convert UTC DateTime to another time zone
In Ruby/Rails, how do I convert a UTC DateTime to another time zone?
- 19.1k
127
votes
7
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Compile time vs Run time Dependency - Java
What is the difference between compile time and run time dependencies in Java?
It is related to class path, but how do they differ?
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Can a program depend on a library during compilation but not runtime?
I understand the difference between runtime and compile-time and how to differentiate between the two, but I just don't see the need to make a distinction between compile-time and runtime dependencies....
- 56.3k
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How to check the object type on runtime in TypeScript?
I'm trying to find a way to pass an object to function in and check it type in a runtime. This is a pseudo code:
function func (obj:any) {
if(typeof obj === "A") {
// do ...
- 1,169
103
votes
11
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How permission can be checked at runtime without throwing SecurityException?
I design a function that may get/set a resource from SD and if not found from sd then take it from Asset and if possible write the asset back to SD
This function may check by method invocation if SD ...
- 3,377
101
votes
24
answers
50k
views
How to resolve "Warning: debug info can be unavailable. Please close other application using ADB: Restart ADB integration and try again"
I am having a slight issue when trying to debug and android app via usb to external device. I keep getting the error "Warning: debug info can be unavailable. Please close other application using ADB: ...
- 1,858
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votes
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answers
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What is causing the warning 'Removing intrinsics.%ArrayPrototype%.toReversed' in React?
I am getting following warning on first load of my App.
lockdown-install.js:1 Removing intrinsics.%ArrayPrototype%.toReversed
intrinsics.%ArrayPrototype%.@@unscopables.toSpliced
intrinsics.%...
- 1,187
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3
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Why is Class.newInstance() "evil"?
Ryan Delucchi asked here in comment #3 to Tom Hawtin's answer:
why is Class.newInstance() "evil"?
this in response to the code sample:
// Avoid Class.newInstance, for it is evil.
Constructor<? ...
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votes
6
answers
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Create JPA EntityManager without persistence.xml configuration file
Is there a way to initialize the EntityManager without a persistence unit defined? Can you give all the required properties to create an entity manager? I need to create the EntityManager from the ...
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Python: changing methods and attributes at runtime
I wish to create a class in Python that I can add and remove attributes and methods. How can I acomplish that?
Oh, and please don't ask why.
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How do you modify the web.config appSettings at runtime?
I am confused on how to modify the web.config appSettings values at runtime. For example, I have this appSettings section:
<appSettings>
<add key="productspagedesc" value="TODO: Edit this ...
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votes
1
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Get the node.js version at runtime
I'm having some compatibility issues with old versions of node.js.
Is there any way to get the node.js version at runtime?
- 5,148
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votes
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Winforms TableLayoutPanel adding rows programmatically
I've been fighting with this for a while, and have found that a number of other people struggle with the TableLayoutPanel (.net 2.0 Winforms) as well.
Problem
I am attempting to take a 'blank' ...
- 5,067
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votes
4
answers
79k
views
Adding Java Annotations at Runtime
Is it possible to add an annotation to an object (in my case in particular, a Method) at runtime?
For a bit more explanation: I have two modules, moduleA and moduleB. moduleB depends upon moduleA, ...
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votes
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views
Is sizeof in C++ evaluated at compilation time or run time?
For example result of this code snippet depends on which machine: the compiler machine or the machine executable file works?
sizeof(short int)
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Instantiate an object with a runtime-determined type
I'm in a situation where I'd like to instantiate an object of a type that will be determined at runtime. I also need to perform an explicit cast to that type.
Something like this:
static void ...
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Python: dynamically create function at runtime
How to dynamically create a function in Python?
I saw a few answers here but I couldn't find one which would describe the most general case.
Consider:
def a(x):
return x + 1
How to create such ...
- 11.1k
79
votes
17
answers
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views
How to add a timeout value when using Java's Runtime.exec()?
I have a method I am using to execute a command on the local host. I'd like to add a timeout parameter to the method so that if the command being called doesn't finish in a reasonable amount of time ...
- 8,567
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What is run time environment?
Can some one explain what it means in simple terms. Does it mean the environment (DOS, Windows, Linux, etc) where the application codes are run?
- 2,343
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How to load a jar file at runtime [duplicate]
I was asked to build a java system that will have the ability to load new code (expansions) while running.
How do I re-load a jar file while my code is running? or how do I load a new jar?
Obviously,...
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votes
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answers
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Adding files to java classpath at runtime [duplicate]
Is it possible to add a file (not necessarily a jar file) to java classpath at runtime.
Specifically, the file already is present in the classpath, what I want is whether I can add a modified copy of ...
rdsr
73
votes
3
answers
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views
When does a constexpr function get evaluated at compile time?
Since it is possible that a function declared as constexpr can be called during run-time, under which criteria does the compiler decide whether to compute it at compile-time or during runtime?
...
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Changing Django settings at runtime
I'd like to expose some (app-specific) settings to the admin interface, so users can change them comfortably and also not have to restart Django.
How should I go about this?
I checked out the ...
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votes
4
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How to get memory size of variable?
Does anybody know how to get memory size of the variable (int, string, []struct, etc) and print it? Is it possible?
var i int = 1
//I want to get something like this:
fmt.Println("Size of i is: %?", ...
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How can I get the memory that my Java program uses via Java's Runtime API?
There are similar questions out there, but they seem to avoid answering this specific question. How can I get the memory that my Java program uses via Java's Runtime API?
The answer here indicates ...
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votes
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views
What is the GOMAXPROCS default value?
Is it guaranteed that GOMAXPROCS is set to 1 when the environment variable of the same name is not set?
This code shows the value:
package main
import (
"runtime"
"fmt"
)
func ...
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votes
2
answers
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views
What does `__import__('pkg_resources').declare_namespace(__name__)` do?
In some __init__.py files of modules I saw such single line:
__import__('pkg_resources').declare_namespace(__name__)
What does it do and why people use it? Suppose it's related to dynamic importing ...
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Is it possible to create a function dynamically, during runtime in C++?
C++ is a static, compiled language, templates are resolved during compile time and so on...
But is it possible to create a function during runtime, that is not described in the source code and has ...
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How to use "cd" command using Java runtime?
I've created a standalone java application in which I'm trying to change the directory using the "cd" command in Ubuntu 10.04 terminal. I've used the following code.
String[] command = new String[]{"...
- 15.4k
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Change a method at runtime via a hot swap mechanism
Assume we have a trivial Java program that consists of just one class:
public class HelloWorld {
private static void replacable(int i) {
System.out.println("Today is a nice day with a ...
- 46.8k
58
votes
4
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views
How to configure independent sets of runtime settings in Xcode
My iPhone application connects to three different servers, say: production, staging and testing. There is a bunch of configuration values that the application uses depending on to which server it ...
- 8,270
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8
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Capturing stdout when calling Runtime.exec
When experiencing networking problems on client machines, I'd like to be able to run a few command lines and email the results of them to myself.
I've found Runtime.exec will allow me to execute ...
- 92.3k
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2
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What is the difference between devel and runtime tag for a Docker container?
For Pytorch and Tensorflow, there are tags which differentiate devel and runtime, I am not quite sure what are the difference between these two, can someone help me understand that better?
- 671
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What is the difference between Version and 'Runtime Version' in .Net?
When I open the properties window of one of the referenced dlls in my project in Visual Studio I see a Version and also a runtime version .
Actually it is Rhino.Mocks library I am checking. And I see ...
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How JVM stack, heap and threads are mapped to physical memory or operation system
The compiler book(The dragon book) explains that value types are created on the stack, and reference types are created on the heap.
For Java, JVM also contains heap and stack in runtime data area. ...
- 2,855