Questions tagged [detect]
"Detect" is overbroad and should not be used. Tag with the specific sort of detection you mean: collision-detection, face-detection, feature-detection, browser-detection, etc, etc.
detect
1,036
questions
173
votes
13
answers
92k
views
PHP script - detect whether running under linux or Windows?
I have a PHP script that may be placed on a windows system or a linux system. I need to run different commands in either case.
How can I detect which environment I am in? (preferably something PHP ...
- 8,225
111
votes
13
answers
84k
views
iOS How to detect iPhone X, iPhone 6 plus, iPhone 6, iPhone 5, iPhone 4 by macro?
How to detect device model by macro?
i had using something like this but the result on the simulator alway IS_IPHONE_5
#define IS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
#define ...
- 1,147
74
votes
4
answers
52k
views
Javascript: How to detect if a word is highlighted
I'm writing a Firefox addon that is triggered whenever a word is highlighted. However I need a script that detects when a word is highlighted, and I'm stuck. An example would be nytimes.com (when you'...
user369246
68
votes
7
answers
84k
views
Is it possible to detect Android app uninstall?
My app is using Google's C2DM (push notification) to notify users about new activity from friends. Once they install the app I register the device with C2DM servers and store user's phone number. So I ...
- 1,584
61
votes
23
answers
352k
views
Getting the screen resolution using PHP
I need to find the screen resolution of a users screen who visits my website?
- 35.9k
55
votes
8
answers
26k
views
Programmatically detect if app is being run on device or simulator
I'd like to know whether my app is being run on device or simulator at run time. Is there a way to detect this?
Reason being to test bluetooth api with simulator:
http://volcore.limbicsoft.com/2009/...
- 40.6k
46
votes
3
answers
35k
views
Detecting network connection speed and bandwidth usage in C#
Is there a way to detect the network speed and bandwidth usage in C#? Even pointers to open-source components are welcome.
- 15.1k
42
votes
4
answers
50k
views
Ruby Detect method
Select makes sense. But can someone explain .detect to me? I don't understand these data.
>> [1,2,3,4,5,6,7].detect { |x| x.between?(3,4) }
=> 3
>> [1,2,3,4,5,6,7].detect { |x| x....
- 21.5k
38
votes
8
answers
81k
views
automatically detect web browser window width change?
i know that you with $(window).width() can get the size of the web browser.
i want to detect when the user change the size of his web browser so i could readjust the columns width. is there a way to ...
- 78.7k
37
votes
1
answer
10k
views
Django: Detect database backend
I'm doing some "extra" queries in Django that need to work on both sqlite and postgres. The syntax of these queries varies between backend but I have no way of figuring out if I'm sending my queries ...
- 2,746
37
votes
9
answers
50k
views
Detecting autocomplete on form input with jQuery
I have a form that detects if all the text-fields are valid on each keyup() and focus(); if they're all valid, it will enable the submit button for the user to press. However, if the user fills in one ...
- 21.9k
37
votes
6
answers
36k
views
How to detect with python if the string contains html code?
How to detect either the string contains an html (can be html4, html5, just partials of html within text)? I do not need a version of HTML, but rather if the string is just a text or it contains an ...
- 8,216
34
votes
2
answers
66k
views
Detect mobile browser [duplicate]
Possible Duplicate:
Simplest way to detect a mobile device
I have a site and I want to detect which browser is used and redirect them.
I have a php index and the code must be in php.
I've found ...
- 483
27
votes
5
answers
24k
views
Detect browser TLS compatibility
We have a SSL website where the host has recently disabled older SSL protocols like TLS 1.0 and below. Depending on the browser, the site visitor gets a blank page or a cryptic error message when they ...
- 801
26
votes
3
answers
23k
views
Angular js - detect when all $http() have finished
Ok i have tons of $http() calls all around the app code,
i'm wondering is there any way / best practice to detect when all $http() around the app have finished ( success/error donesn't matter what ...
- 49.4k
26
votes
4
answers
31k
views
How to detect android cpu speed?
I would like to detect how fast is the device on which my Android application is running?
Is there any API to do it on Android? Or do I have to benchmark it by myself?
If the device has slow CPU I ...
- 8,454
25
votes
6
answers
53k
views
Detect if a string contains any numbers
This is the test.php file:
$string = 'A string with no numbers';
for ($i = 0; $i <= strlen($string)-1; $i++) {
$char = $string[$i];
$message_keyword = in_array($char, range(0,9)) ? '...
- 713
24
votes
3
answers
32k
views
Detecting change in a Javascript Object
I found this gist to detect changes on specified fiels of a object : https://gist.github.com/3138469
But it bind an event only on one field.
Someone know a function or a tricks to detect change on ...
- 5,891
22
votes
8
answers
36k
views
UITableView Detecting Last Cell
How can I detect when a UITableView has been scrolled to the bottom so that the last cell is visible?
- 3,318
22
votes
2
answers
17k
views
Detect if program is running with full administrator rights
I need to determine if my program is running with full administrator rights. By that I mean if uac is turned on (for win vista/7) that I need to determine if the program actually has admin rights (...
- 301
21
votes
5
answers
9k
views
node.js: How to detect an empty stdin stream?
I have a node.js script/server that reads some input from stdin when its launched. However, sometimes there's no data to be passed in. This is troublesome because it seems like in this case neither ...
- 35.7k
19
votes
4
answers
16k
views
Detect only screenshot with FileObserver Android
I am currently developing an application for Android and wanted to know how to detect a screenshot. I tried with FileObserver but the problem is that all events are detected ( when device goes into ...
- 465
19
votes
10
answers
24k
views
Detecting the fundamental frequency [closed]
There's this tech-festival in IIT-Bombay, India, where they're having an event called "Artbots" where we're supposed to design artbots with artistic abilities. I had an idea about a musical robot ...
ameya warty
18
votes
6
answers
27k
views
How to detect memory leaks in QtCreator on Windows?
How can I detect memory leaks in QtCreator on Windows? On the doc, they recommend Memcheck but it only works on Mac and Linux. Any suggestion for Windows?
- 89.4k
18
votes
1
answer
28k
views
Detect if a file is an MP3 file?
I'm writing a C++ library for decoding and encoding audio between different formats/codecs. I have a routine for quickly detecting the format before loading the required codec library.
For WAV files ...
- 2,976
18
votes
3
answers
21k
views
Python and OpenCV. How do I detect all (filled)circles/round objects in an image?
I am trying to make a program which opens an image, scans it for circles/round shapes and returns the coordinates so that I can use the cv.Circle function to draw circles over the circle detected.
...
- 413
17
votes
4
answers
44k
views
How to AutoDetect/Use IE proxy settings in .net HttpWebRequest
Is it possible to detect/reuse those settings ?
How ?
The exception i'm getting is
This is the exception while connecting to http://www.google.com
System.Net.WebException: Unable to connect to the ...
- 11.2k
17
votes
3
answers
36k
views
Detect a screenshot Android
I program in recent years to Android and I wonder something : How to detect when user take a screenshot ? I want that when the user takes a screenshot , we move to the next activity .
I tried the ...
- 465
16
votes
5
answers
60k
views
How can I detect 'any' ajax request being completed using jQuery?
I have a page where I can insert some javascript / jquery to manipulate the output. I don't have any other control over the page markup etc.
I need to add an extra element via jquery after each ...
- 9,281
15
votes
4
answers
12k
views
Android - Detect doubletap AND tripletap on view
I've been trying to build a tap detector that can detect both double and tripe tap. After my efforts failed I searched a long time on the net to find something ready to use but no luck! It's strange ...
user2484359
15
votes
2
answers
4k
views
detecting infinite array recursion in PHP?
i've just reworked my recursion detection algorithm in my pet project dump_r()
https://github.com/leeoniya/dump_r.php
detecting object recursion is not too difficult - you use spl_object_hash() to ...
- 1,091
14
votes
3
answers
27k
views
How can i detect if (float)0 == 0 or null in PHP
If variable value is 0 (float) it will pass all these tests:
$test = round(0, 2); //$test=(float)0
if($test == null)
echo "var is null";
if($test == 0)
echo "var is 0";
...
- 780
14
votes
2
answers
6k
views
How to programmatically detect if the iCloud is enabled on user's device when only use NSUbiquitousKeyValueStore?
I am using NSUbiquitousKeyValueStore to sync some preference data to iCloud. I found that if the user disable "Document & Data" item of iCloud in "Setting App", NSUbiquitousKeyValueStore can not ...
- 2,200
14
votes
2
answers
24k
views
Detect if input was touched (tablet) or clicked (mouse)
We are developing a Web-App, which launches on Desktop and on tablets (iPad, Android or a surface). Now we are building our own keyboard for number inputs. When you set the focus on an input field ...
- 4,919
13
votes
3
answers
34k
views
Detect when application is closed
I want to know when the app is closed, because I need to erase a Database when the user shutdown the app, just in the moment when the user close the app is the right moment to erase the SQLite ...
- 284
13
votes
9
answers
20k
views
Detect if a user has typed an emoji character in UITextView
I have a UITextView and I need to detect if a user enters an emoji character.
I would think that just checking the unicode value of the newest character would suffice but with the new emoji 2s, some ...
- 17.6k
13
votes
1
answer
11k
views
How to "correctly" detect DPI of display with Java?
I have the following app that draws a rule :
public class Rule extends JComponent
{
public static final long serialVersionUID=26362862L;
// public static final int INCH=Toolkit.getDefaultToolkit()....
- 30.8k
12
votes
2
answers
40k
views
Detecting HTML5 video play/pause state with jQuery
I'm building a jQuery slideshow which will feature an HTML5 video player on one of the slides. Is there any way to get the jQuery slideshow to pause from its otherwise automatically running state, ...
- 14.3k
12
votes
7
answers
34k
views
Batch file: Check if OS is Windows 10
I want to make a batch file which will do the following operation: checks if the running OS is windows. If it is than it should print Hello. Im win 10 else should print other message. How can i do ...
- 445
12
votes
1
answer
15k
views
RANSAC Algorithm
Can anybody please show me how to use RANSAC algorithm to select common feature points in two images which have a certain portion of overlap? The problem came out from feature based image stitching.
- 555
12
votes
3
answers
41k
views
Detect and record a sound with python
I'm using this program to record a sound in python:
Detect & Record Audio in Python
I want to change the program to start recording when sound is detected by the sound card input. Probably ...
- 223
12
votes
4
answers
8k
views
Detect IE8 64bit in Javascript
Hey there,
I just wondered if there is a method to detect if the 64bit or 32bit Version of IE8 is running?
Because there are some major Bugs in the Facebook Javascript SDK which only occure in IE8x64....
- 3,758
12
votes
3
answers
11k
views
detect if font download in IE is enabled
Is there a way to detect whether the font download property in internet explorer is disabled or enabled?
Currently if I were to implement an @font-face solution (font-squirrel or typekit or other) ...
- 1,009
12
votes
3
answers
6k
views
How to find, with Java, if a certain font is installed correctly on a machine
I have a PC notebook running Win Vista, when I first bought it, certain Chinese fonts won't show up, I could only see rectangles, but I played with the control setting for a while, changed some ...
- 30.8k
12
votes
4
answers
3k
views
I need a new way to detect if there has been a change to an elements HTML
Right now im trying to find a way to detect when an elements HTML has changed.
I'm currently trying:
var a, b;
setInterval(function() {
a = $('#chat').text();
}, 150);
setInterval(function() {
...
- 5,984
11
votes
5
answers
24k
views
iphone SDK detect Wifi and Carrier network
my app accesses the internet and i just want to detect whether there is a connection either via wifi or via carrier data network or not
apple has made an example for that "Reachability"
https://...
- 2,825
11
votes
4
answers
65k
views
tap detection on a gameobject in unity [duplicate]
i'm currently making a soccer game.
In this mini-game, when the player touch the ball, it adds force, and the goal is to make the higher score.
So i wrote:
void Update()
{
if(Input.touchCount =...
- 241
11
votes
2
answers
23k
views
How to detect if request came from mobile device
On server side is there any way to detect that particular request to API came from mobile device (from mobile app)?
I know about user agent sniffing but I dont like this aproach from few enough ...
- 1,173
11
votes
3
answers
11k
views
Detect headset button click on iPhone SDK
Is there a way to detect the headset's play/pause button click?
I managed to detect the volume buttons clicks using:
AudioSessionAddPropertyListener( ...
- 163
11
votes
5
answers
2k
views
Why does Enumerable#detect need a Proc/lambda?
Enumerable#detect returns the first value of an array where the block evaluates to true. It has an optional argument that needs to respond to call and is invoked in this case, returning its value. So,
...
- 157