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Why does C# allow {} code blocks without a preceding statement?
...ause the variable to be scoped from the perspective of the run-time? From what I can tell, variables' lifetimes are often not bounded by scoping blocks, a fact which is observable in mixed-language projects if the first thing done with a variable in a loop is to pass it as an out parameter to an in...
How to get a list of installed android applications and pick one to run
...till not understanding how to get a list of all installed applications and then pick one to run.
17 Answers
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Definitive way to trigger keypress events with jQuery
I've read all the answers on to this questions and none of the solutions seem to work.
10 Answers
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How to close this ssh tunnel? [closed]
... -f user@mysql-server.com -L 3306:mysql-server.com:3306 -N as described in the post you linked.
A breakdown of the command:
ssh: that's pretty self-explanatory. Invokes ssh.
-f: (From the man ssh page)
Requests ssh to go to background just before command execution.
This is useful...
How to run two jQuery animations simultaneously?
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May I ask what is the purpose of passing a function to jQuery?
– pilau
May 5 '13 at 10:13
13
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Invalid argument supplied for foreach()
It often happens to me to handle data that can be either an array or a null variable and to feed some foreach with these data.
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Is it valid to define functions in JSON results?
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@Dr. Zim, no and to compare things to null what i do is this a==null?1:a.toString()=="" What this does is it says if a=null then it returns 1/true, if it is "" meaning empty string you also get 1/true.. if it is not null or "" then it will return 0/false, you can repl...
explicit casting from super class to subclass
...'re essentially telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn't actually a dog (it's an animal, you could do Animal animal = ...
use localStorage across subdomains
...okies with localStorage on browsers that can support it (anyone but IE). The problem is site.com and www . site.com store their own separate localStorage objects. I believe www is considered a subdomain (a stupid decision if you ask me). If a user was originally on site.com and decides to ty...
How do you set, clear, and toggle a single bit?
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Setting a bit
Use the bitwise OR operator (|) to set a bit.
number |= 1UL << n;
That will set the nth bit of number. n should be zero, if you want to set the 1st bit and so on upto n-1, if you want to set the nth bit.
Use 1ULL if number...