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Correct way to use StringBuilder in SQL
... content we're going to append. The default size used if you don't specify one is 16 characters, which is usually too small and results in the StringBuilder having to do reallocations to make itself bigger (IIRC, in the Sun/Oracle JDK, it doubles itself [or more, if it knows it needs more to satisfy...
How can I concatenate regex literals in JavaScript?
...).join("").replace(/(.)(?=.*\1)/g, "");
var regex3 = new RegExp(expression_one.source + expression_two.source, flags);
// regex3 is now /foobar/gy
It's just more wordy than just having expression one and two being literal strings instead of literal regular expressions.
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What are C++ functors and their uses?
I keep hearing a lot about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful?
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What does jquery $ actually return?
...ll the special jQuery methods.
It never returns null, or another type. If one element is found, the jQuery object will have only one child. If no elements are found, the jQuery object will be empty.
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How does a Java HashMap handle different objects with the same hash code?
...f the key is 235 -> the pair is stored in bucket number 235. (Note that one bucket can store more then one key-value pair).
When you lookup a value in the hashmap, by giving it a key, it will first look at the hash code of the key that you gave. The hashmap will then look into the corresponding ...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
I'm curious as to whether or not there is a real difference between the money datatype and something like decimal(19,4) (which is what money uses internally, I believe).
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How to call asynchronous method from synchronous method in C#?
...ecause the synchronous method is already running in that context.
This is one reason why it's a good idea to use ConfigureAwait(false) within every async method as much as possible.
Solution C
AsyncContext.RunTask won't work in every scenario. For example, if the async method awaits something that ...
Using forked package import in Go
Suppose you have a repository at github.com/someone/repo and you fork it to github.com/you/repo . You want to use your fork instead of the main repo, so you do a
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How do you clear the SQL Server transaction log?
...to do
Back up the log with TRUNCATE_ONLY option and then SHRINKFILE. For one, this TRUNCATE_ONLY option has been deprecated and is no longer available in current versions of SQL Server. Second, if you are in FULL recovery model, this will destroy your log chain and require a new, full backup.
Deta...
What is the best CSS Framework and are they worth the effort?
Reading on another forum I've came across the world of CSS Frameworks. The one I've been specifically looking at is BluePrint . I was wondering if anyone else had come across CSS frameworks, suggest which is the best and if they are worth the effort?
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