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Cron and virtualenv
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A good way to test is to execute /bin/sh, and then try to execute your command from there. At least you'll have the same environment setup as cron.
– Dick
Nov 16 '11 at 3:06
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Syntax for if/else condition in SCSS mixin
...d default the parameter to null or false.
This way, it would be shorter to test if a value has been passed as parameter.
@mixin clearfix($width: null) {
@if not ($width) {
// if width is not passed, or empty do this
} @else {
display: inline-block;
width: $width;
}
}
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Debugging WebSocket in Google Chrome
...now have WebSocket message frame inspection feature. Here are the steps to test it quickly:
Navigate to the WebSocket Echo demo, hosted on the websocket.org site.
Turn on the Chrome Developer Tools.
Click Network, and to filter the traffic shown by the Dev Tools, click WebSockets.
In the Echo demo...
Ignore fields from Java object dynamically while sending as JSON from Spring MVC
...email);
}
}
Data example:
{"id":"5aa2496df863482dc4da2067","name":"test","createdAt":"2018-03-10T09:35:31.050353800Z"}
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Use different Python version with virtualenv
...all a python version that is not installed on your system? Say you want to test out python3.6 but dont want to touch python3.5 installed on your computer?
– alpha_989
Jul 31 '18 at 3:53
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Restore the state of std::cout after manipulating it
...ntaining every little thing by yourself, instead of using a reviewed, well tested library ...
– jupp0r
Feb 5 '18 at 21:29
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getApplicationContext(), getBaseContext(), getApplication(), getParent()
... not be the application instance (which you obviously experienced with the test framework).
getParent() returns object of the activity if the current view is a child..In other words returns the activity object hosting the child view when called within the child.
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What's the easiest way to install a missing Perl module?
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IIRC the latest ActivePerl no longer has command-line ppm, it now opens a fancy GUI.
– Kev
Nov 8 '08 at 17:18
6
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Consistency of hashCode() on a Java string
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No. Sorry. My point is that everything you test on may work the way you want. But that's still no guarantee. So if youre' working on a (say) short term project where you have control of the VM etc., then the above may work for you. But you can't rely on it in the wide...
How to stop a PowerShell script on the first error?
...very EXE invocation, check that against the expected exit code and if that test indicates failure, you have to throw to terminate execution of the script e.g. throw "$exe failed with exit code $LastExitCode" where $exe is just the path to the EXE.
– Keith Hill
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