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What does $$ mean in the shell?
... use a double dollar sign ( $$ ). This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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How to change the text of a button in jQuery?
... wrapped it in a .click() call, of course
EDIT 2 : Newer jQuery versions (from > 1.6) use .prop rather than .attr
EDIT 3 : If you're using jQuery UI, you need to use DaveUK's method (below) of adjusting the text property
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How to programmatically send a 404 response with Express/Node?
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@UpTheCreek, I'll remove the first example from the code to avoid the potential for that confusion.
– Drew Noakes
Oct 15 '14 at 13:10
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range() for floats
...esented are based on iterating over integers and deriving the final floats from the integers. This is more robust. If you do it directly with floats, you risk having strange one-off errors due to how floats are represented internally. For instance, if you try list(frange(0, 1, 0.5)), it works fine a...
How to merge remote master to local branch
I have a local branch of a project ("configUpdate") that I've forked from somebody else's project and I've done a load of changes on it and would like to merge the changes they've made in to my local branch.
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Cast Object to Generic Type for returning
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I know it's from the OP, but really { catch(ClassCastException e) { return null; } is unforgiveable
– artbristol
Jan 25 '13 at 16:38
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Handling very large numbers in Python
...ly large numbers. In Python 2.5+, this type is called long and is separate from the int type, but the interpreter will automatically use whichever is more appropriate. In Python 3.0+, the int type has been dropped completely.
That's just an implementation detail, though — as long as you have vers...
How to secure RESTful web services?
... SSL Cert when you contact them on https? Well servers can request a cert from a client so they know the client is who they say they are. Clients generate certs and give them to you over a secure channel (like coming into your office with a USB key - preferably a non-trojaned USB key).
You load t...
How do you know a variable type in java?
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I learned from the Search Engine(My English is very bad , So code...)
How to get variable's type?
Up's :
String str = "test";
String type = str.getClass().getName();
value: type = java.lang.String
this method :
str.getClass().getSi...
How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
8 Answers
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