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Class Not Found Exception when running JUnit test
...roblem occurs in Eclipse only, executing command Project -> Clean... on selected project may help.
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Java Hashmap: How to get key from value?
...ick and dirty way that I've made constant maps, which will only work for a select few datasets:
Contains only 1 to 1 pairs
Set of values is disjoint from the set of keys (1->2, 2->3 breaks it)
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SVN upgrade working copy
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from eclipse, you can select on the project, right click->team->upgrade
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Can't specify the 'async' modifier on the 'Main' method of a console app
...dvanced button at the bottom:
From the language version drop-down menu, select "7.1" (or any higher value):
The default is "latest major version" which would evaluate (at the time of this writing) to C# 7.0, which does not support async main in console apps.
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Run a string as a command within a Bash script
...rameters so I ended up with something like:
my_exe ()
{
mysql -sN -e "select $1 from heat.stack where heat.stack.name=\"$2\";"
}
This is something I use to monitor openstack heat stack creation. In this case I expect two conditions, an action 'CREATE' and a status 'COMPLETE' on a stack named ...
Forcing a WPF tooltip to stay on the screen
...to persist longer without further fanfare. Doing this still allows you to selectively apply a smaller value in context-specific places, as well, exactly as in the other answer. (But as always, this is only valid if you are the application -- if you're writing a control library or something else th...
Test for existence of nested JavaScript object key
...th Claudiu's modification which is also significantly more performant than selected answer. See jsperf here jsperf.com/check-if-deep-property-exists-with-willnotthrow
– netpoetica
Nov 27 '14 at 5:35
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How should I log while using multiprocessing in Python?
...es on-the-fly from all pipes, into a central log file. (E.g., Periodically select from the pipes' file descriptors, perform merge-sort on the available log entries, and flush to centralized log. Repeat.)
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How to get a variable name as a string in PHP?
...bug_backtrace();
// read file
$file = file($bt[0]['file']);
// select exact print_var_name($varname) line
$src = $file[$bt[0]['line']-1];
// search pattern
$pat = '#(.*)'.__FUNCTION__.' *?\( *?(.*) *?\)(.*)#i';
// extract $varname from match no 2
$var = preg_replace...
What is Node.js? [closed]
...de-facto standard for client-side user interface. jQuery provides CSS-like selectors to 'query' for sets of DOM elements that can then be operated on (set handlers, properties, styles, etc). Along the same vein, Twitter's Bootstrap CSS framework, Backbone.js for an MVC pattern, and Browserify.js to ...