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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...and updating the model values (EditableValueHolder components only) and finally invoke the queued ActionEvent (ActionSource components only). JSF will skip processing of all other components which are not covered by process attribute. Also, components whose rendered attribute evaluates to false duri...
Should I use an exception specifier in C++?
...y, InterprocessObjectNotImplemented, HardwareUnresponsive );
You could really write that as
throw( ... )
The first is not extensible, the second is overambitious and the third is really what you mean, when you write virtual functions.
Legacy code
When you write code which relies on another lib...
Different floating point result with optimization enabled - compiler bug?
...
Intel x86 processors use 80-bit extended precision internally, whereas double is normally 64-bit wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-st...
How do I check if file exists in jQuery or pure JavaScript?
...n('HEAD', url, false);
http.send();
return http.status!=404;
}
Small changes and it could check for status HTTP status code 200 (success), instead.
EDIT 2: Since sync XMLHttpRequest is deprecated, you can add a utility method like this to do it async:
function executeIfFileExist(src, cal...
What are the differences between Deferred, Promise and Future in JavaScript?
...the differences between Deferreds, Promises and Futures?
Is there a generally approved theory behind all these three?
5 A...
Have Grunt generate index.html for different setups
...awesome bit of code, the Yeoman grunt-usemin is a more robust than I personally need.
NOTE: I just discovered the above listed tasks today, so I might be missing a feature and/or my process may change down the road. For now, I'm loving the simplicity and features that grunt-preprocess and grunt-env...
Clear form field after select for jQuery UI Autocomplete
...it works around line 109 here.
The code in there checks for false specifically:
if ( false !== self._trigger( "select", event, { item: item } ) ) {
self.element.val( item.value );
}
share
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imp...
Google Play Services Library update and missing symbol @integer/google_play_services_version
...project to the latest version of Google Play Services ( v4.0, released on Halloween 2013 ), you are now supposed to add a new tag into the AndroidManifest.xml file.
...
No secret option provided to Rack::Session::Cookie warning?
...
Update your rails gems as this is backported to all supported rails gems. note @henrik-n
– shadowbq
Feb 4 '13 at 11:14
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What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
...ion of the difference between .. (dot-dot) and ... (dot-dot-dot) is essentially the same as in manojlds's answer.
The command git diff typically¹ only shows you the difference between the states of the tree between exactly two points in the commit graph. The .. and ... notations in git diff have t...