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Need to understand the usage of SemaphoreSlim
Here is the code I have but I don't understand what SemaphoreSlim is doing.
3 Answers
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How to Add Stacktrace or debug Option when Building Android Studio Project
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You can use GUI to add these gradle command line flags from
File > Settings > Compiler (Gradle-based Android Project)
For MacOS user, it's here
Android Studio > Preferences > Build, Execution, Deployment > Compiler
like this (add --stacktrace o...
Staging Deleted files
...l
matching files. Also a leading directory name (e.g. dir to add dir/file1 and dir/file2) can be given to update the index to match the current state of the directory as a whole (e.g. specifying dir will record not just a file dir/file1 modified in the working tree, a file dir/file2 added to the wor...
Should everything really be a bundle in Symfony 2.x?
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I've written a more thorough and updated blog post on this topic: http://elnur.pro/symfony-without-bundles/
No, not everything has to be in a bundle. You could have a structure like this:
src/Vendor/Model — for models,
src/Vendor/Controller — for c...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
There is an issue with the Android appcompat v7 library on Samsung devices running Android 4.2. I keep getting crashes with the following stack trace in my Developer Console:
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Best way to create an empty object in JSON with PHP?
...result in an empty object, some might therefor say that your code is valid and that it's the method to use.
PHP: Objects - Manual
If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. If the value was NULL, the new instance will be empty.
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Using logging in multiple modules
...logging
logger = logging.getLogger(__name__)
near the top of the module, and then in other code in the module do e.g.
logger.debug('My message with %s', 'variable data')
If you need to subdivide logging activity inside a module, use e.g.
loggerA = logging.getLogger(__name__ + '.A')
loggerB = l...
How can I display a JavaScript object?
...ma in the log method, then the first line of the output will be the string and after that the object will be rendered:
console.log('My object: ', obj);
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How can I connect to a Tor hidden service using cURL in PHP?
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I use Privoxy and cURL to scrape Tor pages:
<?php
$ch = curl_init('http://jhiwjjlqpyawmpjx.onion'); // Tormail URL
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
curl_setopt($ch, CURL...
How to turn on front flash light programmatically in Android?
...o turn on front flash light (not with camera preview) programmatically in Android. I googled for it but the help i found referred me to this page
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