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Check a collection size with JSTL
How can I check the size of a collection with JSTL?
4 Answers
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git replace local version with remote version
How can I tell git to ignore my local file and take the one from my remote branch without trying to merge and causing conflicts?
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How to flatten nested objects with linq expression
... answered Jun 21 '11 at 16:58
bocaboca
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How do I install package.json dependencies in the current directory using npm
...npm install
from inside your app directory (i.e. where package.json is located) will install the dependencies for your app, rather than install it as a module, as described here. These will be placed in ./node_modules relative to your package.json file (it's actually slightly more complex than thi...
Reset keys of array elements in php?
...s of all arrays in an array:
$arr = array_map('array_values', $arr);
In case you just want to reset first-level array keys, use array_values() without array_map.
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How to get a substring of text?
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If you have your text in your_text variable, you can use:
your_text[0..29]
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What does Maven Update Project do in Eclipse?
...untime in the project will have changed to reflect what your Maven pom indicates.
That is an important thing to keep in mind: the Maven pom is the lead in this kind of project setup. If you want settings to change, try to do that through the pom and not through Eclipse project settings directly or ...
Rolling back a remote Git repository
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You can use git revert <commit>… for all the n commits, and then push as usual, keeping history unchanged.
Or you can "roll back" with git reset --hard HEAD~n. If you are pushing in a public or shared repository, you may...
In C++, if throw is an expression, what is its type?
... the other and is an rvalue." Therefore, the conditional operator doesn't care what type a throw-expression is, but will just use the other type.
In fact, 15.1, paragraph 1 says explicitly "A throw-expression is of type void."
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The role of #ifdef and #ifndef
... the intent more clearly in this particular situation.
In your particular case, the text after the ifdef is not removed since one is defined. The text after the ifndef is removed for the same reason. There will need to be two closing endif lines at some point and the first will cause lines to start...