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How to delete a localStorage item when the browser window/tab is closed?
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should be done like that and not with delete operator:
localStorage.removeItem(key);
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What is the difference between pip and conda?
...ORTRAN library dependencies). Conda installs from binary, meaning that someone (e.g., Continuum) has already done the hard work of compiling the package, and so the installation is easy.
There are also some differences if you are interested in building your own packages. For instance, pip is built...
What can be the reasons of connection refused errors?
...sons (that I know of) for the OS to reject an inbound connection request. One reason has already been mentioned several times - the listening port being connected to is not open.
There is another reason that has not been mentioned yet - the listening port is actually open and actively being used...
Purpose of ESI & EDI registers?
..., loading and scanning. What you do is you set up SI and/or DI to point at one or both operands, perhaps put a count in CX and then let 'er rip. These are operations that work on a bunch of bytes at a time, and they kind of put the CPU in automatic. Because you're not explicitly coding loops, they d...
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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