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Most efficient way to concatenate strings?
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This is not true for single line concatenation. Say you do myString = "foo" + var1 + "bar" + var2 + "hello" + var3 + "world", the compiler automatically turns that into a string.concat call, which is as efficient as it gets. This answer is incorrect, there are plenty of better an...
What's a simple way to get a text input popup dialog box on an iPhone
... to get the user name. A simple text input dialog box. Any simple way to do this?
12 Answers
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Python __str__ and lists
...some items, __str__ and __repr__ are the same. If you want that behavior, do:
def __str__(self):
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def __repr__(self):
return self.__str__()
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What's wrong with Java Date & Time API? [closed]
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Ah, the Java Date class. Perhaps one of the best examples of how not to do something in any language, anywhere. Where do I begin?
Reading the JavaDoc might lead one to think that the developers have actually got some good ideas. It goes on about the difference between UTC and GMT at length, desp...
How can you program if you're blind?
...ral programming internships so my answer will be based off these. I use windows xp as my operating system and Jaws to read what appears on the screen to me in synthetic speech. For java programming I use eclipse, since it’s a fully featured IDE that is accessible.
In my experience as a general r...
How to squash all git commits into one?
How do you squash your entire repository down to the first commit?
17 Answers
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C#: why sign an assembly?
...hem into the GAC.
What disadvantages are there in signing assemblies - does it cause delays?
Signed assemblies can only load other signed assemblies. Also they are tied to a specific version meaning that you need to use binding redirects or recompile the application if you wanted to use a diff...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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No, the 0 gets appended to hexString before the hex value does.
– Michael Myers♦
Oct 20 '09 at 21:22
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How do I parse a YAML file in Ruby?
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Ah, I was unaware that you could do that with a YAML file. Thanks so much!
– alvincrespo
Oct 7 '10 at 17:34
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Default text which won't be shown in drop-down list
...uage until the user selects a language. When the user opens the select, I don't want it to show a Select language option, because it's not an actual option.
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