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Vim clear last search highlighting
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This is not clear from this answer and comments : note that set nohlsearch will disable the highlighting for next searches as well. The behaviour of :noh is very different : the highlighting will be automatically reenabled when you perform a ...
decimal vs double! - Which one should I use and when? [duplicate]
...curacy after cents digit, but really you should reserve 4 or 5 to insulate from cumulative arithmetic errors, which you CANNOT allow to corrupt the hundredths column you use to round the cents. That leaves you with 16 (total) - 2 (cents) - (4 or 5 error padding) = oh $hit only 7 (or less) reliable i...
memory_get_peak_usage() with “real usage”
... to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
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Difference between char* and const char*?
...give error messages when you try to do so. For the same reason, conversion from const char * to char* is deprecated.
char* const is an immutable pointer (it cannot point to any other location) but the contents of location at which it points are mutable.
const char* const is an immutable pointer to...
Git remote branch deleted, but still it appears in 'branch -a'
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Try:
git remote prune origin
From the Git remote documentation:
prune
Deletes all stale
remote-tracking branches under <name>.
These stale branches have already been
removed from the remote repository
referenced by <name>, but ar...
AngularJS routing without the hash '#'
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The following information is from:
https://scotch.io/quick-tips/pretty-urls-in-angularjs-removing-the-hashtag
It is very easy to get clean URLs and remove the hashtag from the URL in Angular.
By default, AngularJS will route URLs with a hashtag
For Exam...
Android “Only the original thread that created a view hierarchy can touch its views.”
... to modify the UI, and the above code worked, but I had call runOnUiThread from the Activity object. I had to do something like myActivityObject.runOnUiThread(etc)
– Kirby
Feb 17 '12 at 21:27
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...rything but we choose only to process the submission data if its different from the data sent last time (which we store in the session var 'messageIdent'). Are you processing your form submission within the 'if messageIdents are different' clause (ie where 'do_your_thang()' is)?
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Node.js check if file exists
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From Node js documentation, seems like the best way to go if you plan on opening the file after checking its existence, is to actually open it and handle the errors if it doesn't exists. Because your file could be removed bet...
Getting the name of the currently executing method
...read().getStackTrace() will usually contain the method you’re calling it from but there are pitfalls (see Javadoc):
Some virtual machines may, under some circumstances, omit one or more stack frames from the stack trace. In the extreme case, a virtual machine that has no stack trace informatio...