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how to get first three characters of an NSString?
...sh the app.
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Why is Class.newInstance() “evil”?
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81
The Java API documentation explains why (http://java.sun.com/javase/6/docs/api/java/lang/Class.h...
Naming convention for utility classes in Java
... a slide showing an outline of his speech with three main points, labeled "1", "2nd", and "C".)
Never ever ever make two names that differ only in some subtlety of spelling, like having a CustomerUtil and a CustomerUtility. If there was a good reason to make two classes, then there must be somethin...
str.startswith with a list of strings to test for
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361
str.startswith allows you to supply a tuple of strings to test for:
if link.lower().startswith(...
Setting the Vim background colors
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141
As vim's own help on set background says, "Setting this option does not change the background ...
Why does Internet Explorer not send HTTP post body on Ajax call after failure?
...is disabled on the server, this issue goes away. In other words, your HTTP 1.1 server will respond to every Ajax request with a Connection: Close line in the response. This keeps IE happy but causes every Ajax request to open a new connection. This can have a significant performance impact, especial...
What is “Service Include” in a csproj file for?
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261
I had a similar case, where this was added:
<ItemGroup>
<Service Include="{82A7F48D-3...
What does @: (at symbol colon) mean in a Makefile?
...hat you've got an obscure combination of two different syntaxes. The make(1) syntax is the use of an action starting with @, which is simply not to echo the command. So a rule like
always:
@echo this always happens
won't emit
echo this always happens
this always happens
Now, th...
How do I split a string with multiple separators in javascript?
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731
Pass in a regexp as the parameter:
js> "Hello awesome, world!".split(/[\s,]+/)
Hello,awesome...