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In the shell, what does “ 2>&1 ” mean?
...utput (stdout).
File descriptor 2 is the standard error (stderr).
Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1 may look like a good way to redirect stderr to stdout. However, it will actually be interpreted as "redirect stderr to a file named 1...
Android: Background Image Size (in Pixel) which Support All Devices
...My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
...
Why use apparently meaningless do-while and if-else statements in macros?
...nt is to use up the semicolon in contexts where a dangling semicolon is erroneous. Of course, it could (and probably should) be argued at this point that it would be better to declare BAR as an actual function, not a macro.
In summary, the do ... while is there to work around the shortcomings of t...
How to get input type using jquery?
...lements
@dariomac
$('select').prop("type");
will return either "select-one" or "select-multiple" depending upon the "multiple" attribute and
$('select')[0].type
returns the same for the first select if it exists. and
($('select')[0]?$('select')[0].type:"howdy")
will return the type if ...
Understanding the difference between Object.create() and new SomeFunction()
...nce of an object with new SomeFunction() , and when you would want to use one over the other.
10 Answers
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Suppress warning messages using mysql from within Terminal, but password written in bash script
...erent servers/roles/databases. Using ~/.my.cnf will only allow you to have one set of configuration (although it may be a useful set of defaults).
If you're on a Debian based distro, and running as root, you could skip the above and just use /etc/mysql/debian.cnf to get in ... :
mysql --defaults-ext...
Is there a perfect algorithm for chess? [closed]
...
Scripted to win is one thing. Exhaustively enumerated is a different thing. Either way, the information is perfect -- everything is known -- the game is deterministic by definition.
– S.Lott
Jan 3 '09 at...
JavaScript window resize event
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One potential gotcha with this method is that you're overriding the event and so you can't attach multiple actions to an event. The addEventListener/attachEvent combo is the best way to go to make your javascript play friend...
How to convert List to int[] in Java? [duplicate]
...e argument for generics, so it would have to be an int-specific method (or one which used reflection to do nasty trickery).
I believe there are libraries which have autogenerated versions of this kind of method for all the primitive types (i.e. there's a template which is copied for each type). It...
Operator overloading in Java
...wn new wrapper type, you wouldn't be able to make it behave like the other ones, as they have specific support in the language.
– Jon Skeet
Sep 12 '12 at 12:29
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