Questions tagged [windows]
Writing software specific to the Microsoft Windows operating system: APIs, behaviours, etc. GENERAL WINDOWS SUPPORT IS OFF-TOPIC. Support questions may be asked on https://superuser.com
windows
168,698
questions
3295
votes
34
answers
5.4m
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How do I find out which process is listening on a TCP or UDP port on Windows? [closed]
How do I find out which process is listening on a TCP or UDP port on Windows?
- 349k
2827
votes
27
answers
886k
views
Is there an equivalent of 'which' on the Windows command line?
As I sometimes have path problems, where one of my own cmd scripts is hidden (shadowed) by another program (earlier on the path), I would like to be able to find the full path to a program on the ...
- 37.6k
2752
votes
40
answers
3.4m
views
How do I install pip on Windows?
pip is a replacement for easy_install. But should I install pip using easy_install on Windows? Is there a better way?
1535
votes
21
answers
1.8m
views
Ignoring directories in Git repositories on Windows
How can I ignore directories or folders in Git using msysgit on Windows?
- 25k
1471
votes
18
answers
1.3m
views
Filename too long in Git for Windows
I'm using Git-1.9.0-preview20140217 for Windows. As I know, this release should fix the issue with too long filenames. But not for me.
Surely I'm doing something wrong: I did git config core.longpaths ...
- 18.7k
1342
votes
24
answers
1.5m
views
How do I run two commands in one line in Windows CMD?
I want to run two commands in a Windows CMD console.
In Linux I would do it like this
touch thisfile ; ls -lstrh
How is it done on Windows?
- 267k
1341
votes
28
answers
3.6m
views
How do I remove the process currently using a port on localhost in Windows? [closed]
How can I remove the current process/application which is already assigned to a port?
For example: localhost:8080
- 41.1k
1270
votes
42
answers
1.1m
views
How can I develop for iPhone using a Windows development machine?
Is there any way to tinker with the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows?
The only other way I can think of doing this is to run a Mac VM image on a ...
1243
votes
26
answers
1.0m
views
Git replacing LF with CRLF
On a Windows machine, I added some files using git add.
I got warnings saying:
LF will be replaced by CRLF
What are the ramifications of this conversion?
- 101k
1177
votes
8
answers
1.8m
views
List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
Something equivalent to PowerShell's gci env: (or ls env: or dir env:).
- 55.4k
1160
votes
18
answers
932k
views
How to upgrade Git on Windows to the latest version
I just upgraded to Git 1.8.0.1 for Windows, from my previous version 1.7.9.mysysgit.0. I downloaded the new version from the Git site and installed through the normal Git installer EXE.
That said, ...
- 11.7k
1095
votes
9
answers
377k
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Node.js/Windows error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm'
I have Windows 7 32-bit. I installed the latest Node.js 32 bit.
When I try to run the command npm install jquery, I receive the error:
Error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm
How ...
- 11.1k
1040
votes
44
answers
1.7m
views
Can't start Eclipse - Java was started but returned exit code=13
I am trying to get my first taste of Android development using Eclipse. I ran into this problem when trying to run Eclipse, having installed version 4.2 only minutes ago.
After first trying to start ...
- 10.6k
1022
votes
2
answers
2.1m
views
Text editor to open big (giant, huge, large) text files [closed]
I mean 100+ MB big; such text files can push the envelope of editors.
I need to look through a large XML file, but cannot if the editor is buggy.
Any suggestions?
1016
votes
17
answers
2.9m
views
How to run a PowerShell script
How do I run a PowerShell script?
I have a script named myscript.ps1
I have all the necessary frameworks installed
I set that execution policy thing
I have followed the instructions on this MSDN help ...
- 446k
998
votes
41
answers
1.6m
views
Remove credentials from Git
I'm working with several repositories, but lately I was just working in our internal one and all was great.
Today I had to commit and push code into other one, but I'm having some troubles.
$ git ...
- 74.3k
984
votes
7
answers
1.1m
views
How do I get the application exit code from a Windows command line?
I am running a program and want to see what its return code is (since it returns different codes based on different errors).
I know in Bash I can do this by running
echo $?
What do I do when ...
- 11.8k
970
votes
39
answers
1.6m
views
Failed to load the JNI shared Library (JDK)
When I try opening Eclipse, a pop-up dialog states:
Failed to load the JNI shared library "C:/JDK/bin/client/jvm.dll"`.
Following this, Eclipse force closes.
Here's a few points I'd like to make: ...
967
votes
24
answers
1.2m
views
Setting Windows PowerShell environment variables
I have found out that setting the PATH environment variable affects only the old command prompt. PowerShell seems to have different environment settings. How do I change the environment variables for ...
- 37.1k
895
votes
12
answers
566k
views
Windows batch files: .bat vs .cmd?
As I understand it, .bat is the old 16-bit naming convention, and .cmd is for 32-bit Windows, i.e., starting with NT. But I continue to see .bat files everywhere, and they seem to work exactly the ...
- 36.7k
880
votes
43
answers
959k
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error: Unable to find vcvarsall.bat
I tried to install the Python package dulwich:
pip install dulwich
But I get a cryptic error message:
error: Unable to find vcvarsall.bat
The same happens if I try installing the package manually:
...
- 8,809
861
votes
2
answers
372k
views
How do SO_REUSEADDR and SO_REUSEPORT differ?
The man pages and programmer documentations for the socket options SO_REUSEADDR and SO_REUSEPORT are different for different operating systems and often highly confusing. Some operating systems don't ...
- 129k
847
votes
7
answers
678k
views
How to redirect Windows cmd stdout and stderr to a single file?
I'm trying to redirect all output (stdout + stderr) of a Windows command to a single file:
C:\>dir 1> a.txt 2> a.txt
The process cannot access the file because it is being used by another ...
- 226k
831
votes
15
answers
1.3m
views
How to export/import PuTTY sessions list?
Is there a way to do this?
Or I have to take manually every record from Registry?
- 16.6k
789
votes
17
answers
417k
views
What is the difference between Cygwin and MinGW?
I want to make my C++ project cross platform, and I'm considering using Cygwin/MinGW.
But what is the difference between them ?
Another question is whether I will be able to run the binary on a ...
- 49.4k
787
votes
27
answers
1.3m
views
How can I echo a newline in a batch file?
How can you you insert a newline from your batch file output?
I want to do something like:
echo hello\nworld
Which would output:
hello
world
- 343k
778
votes
40
answers
846k
views
How do I run Redis on Windows?
How do I run Redis on Windows? The Redis download page just seems to offer *nix options.
Can I run Redis natively on Windows?
- 7,979
755
votes
25
answers
1.4m
views
Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing ...
- 65.8k
736
votes
21
answers
2.3m
views
Adding a directory to the PATH environment variable in Windows
I am trying to add C:\xampp\php to my system PATH environment variable in Windows.
I have already added it using the Environment Variables dialog box.
But when I type into my console:
C:\>path
it ...
- 19k
724
votes
11
answers
557k
views
CSV file written with Python has blank lines between each row
import csv
with open('thefile.csv', 'rb') as f:
data = list(csv.reader(f))
import collections
counter = collections.defaultdict(int)
for row in data:
counter[row[10]] += 1
with open(...
- 59.4k
711
votes
60
answers
2.1m
views
pip install fails with "connection error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:598)"
I am very new to Python and trying to > pip install linkchecker on Windows 7. Some notes:
pip install is failing no matter the package. For example, > pip install scrapy also results in the SSL ...
- 21.3k
710
votes
23
answers
1.7m
views
How do I install and use cURL on Windows? [closed]
I am having trouble getting cURL to run on Windows.
I have downloaded a cURL zip file from here, but it seems to contain source code, not an executable.
Do I need to compile cURL to run it? If yes, ...
- 11.4k
708
votes
24
answers
1.0m
views
"rm -rf" equivalent for Windows?
I need a way to recursively delete a folder and its children.
Is there a prebuilt tool for this, or do I need to write one?
DEL /S doesn't delete directories.
DELTREE was removed from Windows 2000+
- 174k
693
votes
30
answers
836k
views
Is there a command to refresh environment variables from the command prompt in Windows?
If I modify or add an environment variable I have to restart the command prompt. Is there a command I could execute that would do this without restarting CMD?
- 47.8k
684
votes
10
answers
2.5m
views
How do I shutdown, restart, or log off Windows via a bat file?
I've been using Remote Desktop Connection to get into a workstation. But in this environment, I cannot use the power options in Start Menu. I need an alternative way to shutdown or restart.
How do I ...
- 52.6k
683
votes
34
answers
1.3m
views
Unable to resolve "unable to get local issuer certificate" using git on Windows with self-signed certificate
I am using Git on Windows. I installed the msysGit package. My test repository has a self signed certificate at the server. I can access and use the repository using HTTP without problems. Moving to ...
- 8,406
680
votes
20
answers
732k
views
What characters are forbidden in Windows and Linux directory names?
I know that / is illegal in Linux, and * " / \ < > : | ? are illegal in Windows.
What else am I missing? I need a comprehensive guide that also accounts for double-byte characters.
- 15.4k
676
votes
21
answers
1.0m
views
How to prevent auto-closing of console after the execution of batch file
What command can I put at the end of a batch file to prevent auto-closing of the console after the execution of the file?
- 17.3k
659
votes
27
answers
2.0m
views
Error "'git' is not recognized as an internal or external command"
I have an installation of Git for Windows, but when I try to use the git command in Command Prompt, I get the following error:
'git' is not recognized as an internal or external command,
operable ...
- 18.6k
655
votes
34
answers
572k
views
How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
- 8,301
655
votes
37
answers
428k
views
How can I set up an editor to work with Git on Windows?
I'm trying out Git on Windows. I got to the point of trying "git commit" and I got this error:
Terminal is dumb but no VISUAL nor
EDITOR defined. Please supply the
message using either -m or -F ...
- 58.5k
651
votes
7
answers
410k
views
How to create file execute mode permissions in Git on Windows?
I use Git in Windows, and want to push the executable shell script into git repo by one commit.
Usually I need to do two steps (git commit).
$ vi install.sh
$ git add install.sh
$ git commit -am &...
- 57.7k
640
votes
18
answers
293k
views
How can I update the current line in a C# Windows Console App?
When building a Windows Console App in C#, is it possible to write to the console without having to extend a current line or go to a new line? For example, if I want to show a percentage representing ...
- 15.3k
639
votes
35
answers
1.6m
views
How can I create an empty file at the command line in Windows?
How can I create an empty file at the DOS/Windows command-line?
I tried:
copy nul > file.txt
But it always displays that a file was copied.
Is there another method in the standard cmd?
It should ...
- 6,557
636
votes
30
answers
1.7m
views
How do I get current date/time on the Windows command line in a suitable format for usage in a file/folder name?
Update: Now that it's 2016 I'd use PowerShell for this unless there's a really compelling backwards-compatible reason for it, particularly because of the regional settings issue with using date. See @...
- 41.1k
620
votes
15
answers
835k
views
How do I uninstall a Windows service if the files do not exist anymore?
How do I uninstall a .NET Windows Service if the service files do not exist anymore?
I installed a .NET Windows Service using InstallUtil. I have since deleted the files but forgot to run
InstallUtil ...
- 11.6k
615
votes
18
answers
1.6m
views
How to create .pfx file from certificate and private key?
I need .pfx file to install https on website on IIS.
I have two separate files: certificate (.cer or pem) and private key (.crt) but IIS accepts only .pfx files.
I obviously installed certificate and ...
- 10k
610
votes
30
answers
1.2m
views
How can you find and replace text in a file using the Windows command-line environment?
I am writing a batch file script using Windows command-line environment and want to change each occurrence of some text in a file (ex. "FOO") with another (ex. "BAR"). What is the simplest way to do ...
- 190k
600
votes
29
answers
1.8m
views
How can I update npm on Windows?
I tried this:
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
...but it didn't work.
How do I do this on Windows?
- 14.2k
600
votes
14
answers
938k
views
Create folder with batch but only if it doesn't already exist
Can anybody tell me how to do the following in in a Windows batch script? (*.bat):
Create a folder only if it doesn't already exist
In more detail, I want to create a folder named VTS on the C:\ ...
- 6,001