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Which is the best Linux C/C++ debugger (or front-end to gdb) to help teaching programming? [closed]
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Does it support debugging small programs that don't have project files? I remember using it for my larger program, but the first setup was pretty painful, although the IDE is very good.
– syockit
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
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System.currentTimeMillis() is obviously the most efficient since it does not even create an object, but new Date() is really just a thin wrapper about a long, so it is not far behind. Calendar, on the other hand, is relatively slow and very complex, since it has to deal with the considerably ...
How do I move a file with Ruby?
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Actually mv does the copy for you. "Moves file(s) src to dest. If file and dest exist on the different disk partition, the file is copied instead." ... ruby-doc.org/core/classes/FileUtils.html#M004330
– Darkerstar
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Total size of the contents of all the files in a directory [closed]
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Does not work. ls -> file.gz hardlink-to-file.gz. stat -c %s file.gz -> 9657212. stat -c %s hardlink-to-file.gz -> 9657212. du -sb -> 9661308. It's definitely not the total size of the content but the size the di...
CHECK constraint in MySQL is not working
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Unfortunately MySQL does not support SQL check constraints. You can define them in your DDL query for compatibility reasons but they are just ignored.
There is a simple alternative
You can create BEFORE INSERT and BEFORE UPDATE triggers which ei...
jQuery validation: change default error message
...th = jQuery.validator.format("Please enter no more than {0} characters."); does not work. I sugges using Nick Cravers solution instead.
– Vidar Vestnes
May 21 '14 at 11:44
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Update Angular model after setting input value with jQuery
...s particular behaviour check out this answer that I gave a while ago: "How does AngularJS internally catch events like 'onclick', 'onchange'?"
But unfortunately, this is not the only problem you have. As pointed out with other post comments, your jQuery-centric approach is plain wrong. For more i...
In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
... to all "Application" instances. That's why I think its use is valid as it does NOT disregard good OOP principles. Of course, as anything in the world, this "pattern" should not be overused either!
I've seen this being used in many PHP frameworks, Zend Framework and Yii among them. And you should u...
Length of a JavaScript object
...the above code just becomes:
var size = Object.keys(myObj).length;
This doesn't have to modify any existing prototype since Object.keys() is now built in.
Edit: Objects can have symbolic properties which can not be returned via Object.key method. So the answer would be incomplete without mention...
git reset --hard HEAD leaves untracked files behind
... What do you mean with »I want untracked files as they were before«? Git doesn't know anything about untracked files, except that they exist. It doesn't track multiple versions of these files (since they are untracked).
– knittl
Oct 26 '15 at 8:04
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