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Pretty print in MongoDB shell as default
...o to pretty print output? Currently, everything is output to a single line and it's difficult to read, especially with nested arrays and documents.
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Are there any smart cases of runtime code modification?
...ns on the fly has long been common in computer graphics. See e.g. Rob Pike and Bart Locanthi and John Reiser Hardware Software Tradeoffs for Bitmap Graphics on the Blit (1984) or this posting (2006) by Chris Lattner on Apple's use of LLVM for runtime code specialization in their OpenGL stack.
In som...
Using jQuery to center a DIV on the screen
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One change I'd suggest: You should use this.outerHeight() and this.outerWidth() instead of just this.height() and this.width(). Otherwise, if the object has a border or padding, it will end up slightly off-center.
– Trevor Burnham
Jan 25 '10 at...
How do I force “git pull” to overwrite local files?
...committed changes, however (even staged), will be lost. Make sure to stash and commit anything you need. For that you can run the following:
git stash
And then to reapply these uncommitted changes:
git stash pop
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How can I make git ignore future revisions to a file?
...ree default_values.txt
That will ignore changes to that file, both local and upstream, until you decide to allow them again with:
git update-index --no-skip-worktree default_values.txt
You can get a list of files that are marked skipped with:
git ls-files -v . | grep ^S
Note that unlike --sk...
Verifying that a string contains only letters in C#
I have an input string and I want to verify that it contains:
10 Answers
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how do I strip white space when grabbing text with jQuery?
...,'');
That will remove all the spaces
If you want to remove the leading and trailing whitespace only, use the jQuery $.trim method :
var emailAdd = $.trim($(this).text());
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java : convert float to String and String to float
...ing(25.0f);
To compare it's always better to convert the string to float and compare as two floats. This is because for one float number there are multiple string representations, which are different when compared as strings (e.g. "25" != "25.0" != "25.00" etc.)
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What is a classpath and how do I set it?
...to provide the VM a list of places to look. This is done by putting folder and jar files on your classpath.
Before we talk about how the classpath is set, let's talk about .class files, packages, and .jar files.
First, let's suppose that MyClass is something you built as part of your project, and ...
Javascript switch vs. if…else if…else
...le states that there is a negligible performance difference between switch and if/then statements in JS. The article states this is due to spotty switch optimization and the different ways different JS engines function. Quote: Since most JavaScript engines don’t have such optimizations, performanc...