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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
I've seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option:
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Is functional GUI programming possible? [closed]
I've recently caught the FP bug (trying to learn Haskell), and I've been really impressed with what I've seen so far (first-class functions, lazy evaluation, and all the other goodies). I'm no expert yet, but I've already begun to find it easier to reason "functionally" than imperatively for basic ...
Are parameters in strings.xml possible? [duplicate]
In my Android app I'am going to implement my strings with internationalization. I have a problem with the grammar and the way sentences build in different languages.
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How to tag an older commit in Git?
We are new to git, and I want to set a tag at the beginning of our repository.
Our production code is the same as the beginning repository, but we've made commits since then.
A tag at the beginning would allow us to "roll back" production to a known, stable state.
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How can I use “sizeof” in a preprocessor macro?
Is there any way to use a sizeof in a preprocessor macro?
13 Answers
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What is a predicate in c#? [duplicate]
I am very new to using predicates and just learned how to write:
4 Answers
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how to set desired language in git-gui?
...now Leopard) to srtat with but I would much like if it were not localized (in French, in my case). Is there preference or hack to have git gui displayed in english?
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Adding a guideline to the editor in Visual Studio
Introduction
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What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
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Base64 is not encryption -- it's an encoding. It's a way of representing binary data using only printable (text) characters.
See this paragraph from the wikipedia page for HTTP Basic Authentication:
While encoding the user name and password with the Base64 alg...
How to get current date in jquery?
I want to know how to use the Date() function in jQuery to get the current date in a yyyy/mm/dd format.
30 Answers
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