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How does origin/HEAD get set?
...h in the remote repository.
origin's HEAD will only change if you or someone else actually changes it in the remote repository, which should basically never happen - you want the default branch a public repo to stay constant, on the stable branch (probably master). origin/HEAD is a local ref repre...
How do we control web page caching, across all browsers?
...ntroduction
The correct minimum set of headers that works across all mentioned clients (and proxies):
Cache-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Expires: 0
The Cache-Control is per the HTTP 1.1 spec for clients and proxies (and implicitly required by some clients next to...
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
...behavior is complex to understand and may lead to problems. I keep this as one of my favorites to show my students why they should avoid (as long as they can) things "by reference".
– Olivier Pons
Nov 22 '11 at 8:15
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How do I hotkey directly to File Search tab in Eclipse
...e CTRL+H binding (delete the other binding in that case) or define another one (e.g. CTRL+SHIFT+H). To delete the other binding search for "Open Search Dialog" and click on Unbind Command.
Other solution: You could press CTRL+3 in your editor, type in "file s", press Enter. The next time you pres...
Javascript - get array of dates between 2 dates
I'd like "range" to be an array of date objects, one for each day between the two dates.
24 Answers
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Finding ALL duplicate rows, including “elements with smaller subscripts”
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Because the middle ones are captured no matter if you start from the end or from the front. For example, duplicated(c(1,1,1)) vs duplicated(c(1,1,1,), fromLast = TRUE) gives c(FALSE,TRUE,TRUE) and c(TRUE,TRUE,FALSE). Middle value is TRUE in bot...
Android get free size of internal/external memory
...izeInBytes=file.getFreeSpace();
API 18 and above (not needed if previous one is ok) :
long availableSizeInBytes=new StatFs(file.getPath()).getAvailableBytes();
To get a nice formatted string of what you got now, you can use:
String formattedResult=android.text.format.Formatter.formatShortFile...
How to remove a single, specific object from a ConcurrentBag?
...rnatives for you:
Remove all items and remember them, until you find the one you want to remove, then put the others back afterwards. Note that if two threads try to do this simultaneously you will have problems.
Use a more suitable data structure such as ConcurrentDictionary.
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Call a function after previous function is complete
...ack — or take a look at this deferreds business that philwinkle has mentioned. Thanks again, guys. I'm gonna get some sleep, and tackle this again in the morning.
– Rrryyyaaannn
Feb 15 '11 at 6:31
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Check if a variable is of function type
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There might be someone who has made more extensive research on the matter, but have a look at the results of revision 4 of the jsperf with simple "result verification". isFunctionA shows an implementation difference compared to the other method...