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Handling InterruptedException in Java
...e (i.e. don't catch it at all).
Example: Your method waits for a value from the network to finish the computation and return a result. If the blocking network call throws an InterruptedException your method can not finish computation in a normal way. You let the InterruptedException propagate.
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In bash, how does one clear the current input?
...n bash, but if you have e.g. a mysql client prompt, Ctrl-C will disconnect from the server which is really annoying.
– Christian
Nov 25 '13 at 10:54
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Installing python module within code
I need to install a package from PyPi straight within my script.
Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv.
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Why does my application spend 24% of its life doing a null check?
...e of code. The code for the binary tree iterator is below with the results from running performance analysis against it.
3 ...
var self = this?
...stance methods as callbacks for event handlers changes the scope of this from "My instance" to "Whatever just called the callback" . So my code looks like this
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Creating a jQuery object from a big HTML-string
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Update:
From jQuery 1.8, we can use $.parseHTML, which will parse the HTML string to an array of DOM nodes. eg:
var dom_nodes = $($.parseHTML('<div><input type="text" value="val" /></div>'));
alert( dom_nodes.find(...
How to write PNG image to string with the PIL?
... an error when trying to automatically detect it.
If you loaded the image from a file it has a format parameter that contains the original file format, so in this case you can use format=image.format.
In old Python 2 versions before introduction of the io module you would have used the StringIO mo...
How to get function parameter names/values dynamically?
... This is already provided in a local variable named arguments.
excerpt from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/arguments:
The arguments object is not an Array. It is similar to an Array, but does not have any Array properties except le...
TypeScript Objects as Dictionary types as in C#
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how do you remove from it?
– TDaver
Apr 16 '13 at 18:07
24
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php execute a background process
... script in whatever language (php/bash/perl/etc) is handy and then call it from the process control functions in your php script.
The function probably detects if standard io is used as the output stream and if it is then that will set the return value..if not then it ends
proc_close( proc_open( ...