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setTimeout or setInterval?
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They essentially try to do the same thing, but the setInterval approach will be more accurate than the setTimeout approach, since setTimeout waits 1000ms, runs the function and then sets another timeout. So the wait period is actually a ...
How and where are Annotations used in Java?
...methods. Asking an object for its meta-object (e.g. anObj.getClass() ) is called introspection. The introspection can go further and we can ask a meta-object what are its annotations (e.g. aClass.getAnnotations). Introspection and annotations belong to what is called reflection and meta-programming....
SQL Server Management Studio won't let me add an index to a table
... "New Index" menu item is grayed out. I don't understand why. I've deleted all data in the table just in case, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP.
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Deep cloning objects
...ts too complex.
And with the use of extension methods (also from the originally referenced source):
In case of you prefer to use the new extension methods of C# 3.0, change the method to have the following signature:
public static T Clone<T>(this T source)
{
//...
}
Now the method call sim...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...rted off with me not being able to log in as root any more on my mysql install. I was attempting to run mysql without passwords turned on... but whenever I ran the command
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How to determine if a number is odd in JavaScript
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yea good note about the NaN. But usually, you want javascript to be truthy or falsey, which is why i wrote it the way i did.
– Chii
Feb 16 '11 at 12:24
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Formatting Numbers by padding with leading zeros in SQL Server
...zeroes, just assign or convert to an int and they will be removed automatically.
– Jimbo
Mar 1 '12 at 17:25
2
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How to load JAR files dynamically at Runtime?
...ave any kind of module system you need to be able to load JAR files dynamically. I'm told there's a way of doing it by writing your own ClassLoader , but that's a lot of work for something that should (in my mind at least) be as easy as calling a method with a JAR file as its argument.
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How to remove a file from the index in git?
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This also works great if e.g. you accidentally checked in some build intermediates or local configuration files that didn't make it into your .gitignore; use git rm --cached to remove them from the repo, add the relevant files or directories to .gitignore, stage and ...
Count number of occurrences of a given substring in a string
...lapping occurrences, you'd better check the answers at: "Python regex find all overlapping matches?", or just check my other answer below.
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