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Print PHP Call Stack

I'm looking for a way to print the call stack in PHP. 15 Answers 15 ...
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Why 0 is true but false is 1 in the shell?

The above will output 1 , which is contradictory with all other programming languages I know. 10 Answers ...
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How to make a phone call in android and come back to my activity when the call is done?

...ener actions to wait for a the call to start (wait until changed from PHONE_STATE_OFFHOOK to PHONE_STATE_IDLE again) and then write some code to bring your app back up on the IDLE state. you may need to run the listener in a service to ensure it stays up and your app is restarted. some example c...
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

... [[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do [[ -e $b ]] to test whether a file exists....
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Creating C formatted strings (not printing them)

...ee snprintf for a safer version). A terminating null character is automatically appended after the content. After the format parameter, the function expects at least as many additional arguments as needed for format. Parameters: str Pointer to a buffer where the resulting C-string is stored. The ...
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HTML5 Canvas Resize (Downscale) Image High Quality?

...rformances reasons Browsers do a very simple downsampling : to build the smaller image, they will just pick ONE pixel in the source and use its value for the destination. which 'forgets' some details and adds noise. Yet there's an exception to that : since the 2X image downsampling is very simple...
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Installing SciPy with pip

It is possible to install NumPy with pip using pip install numpy . 15 Answers 15...
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Test a weekly cron job [closed]

... This really shouldn't have been upvoted and accepted, beyond running the script it does nothing to tell you whether the script will actually work when run from cron. Use the excellent crontest script in one of the other answers to t...
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Why are function pointers and data pointers incompatible in C/C++?

...ry but C doesn't limit itself to only certain types of architectures if at all possible. share | improve this answer | follow | ...
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How to disable typing special characters when pressing option key in Mac OS X? [closed]

...ion-b a red colored key - meaning it's a dead key. Double clicking it will allow you to change it from a dead key to an output key. When prompted for the output you can put in the same thing (by pressing Option-b). Thus it will output the same character but will not be considered a dead key, so In...