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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...
Can I mix MySQL APIs in PHP?
...They are separate APIs and the resources they create are incompatible with one another.
There is a mysqli_close, though.
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Can you use reflection to find the name of the currently executing method?
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For non-async methods one can use
System.Reflection.MethodBase.GetCurrentMethod().Name;
https://docs.microsoft.com/en-us/dotnet/api/system.reflection.methodbase.getcurrentmethod
Please remember that for async methods it will return "MoveNext"....
What is the idiomatic Go equivalent of C's ternary operator?
... @tomwilde your solution looks pretty interesting, but it lacks one of the main features of ternary operator - conditional evaluation.
– Vladimir Matveev
Nov 14 '13 at 18:13
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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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JavaScript ternary operator example with functions
...e pretty exciting uses of ternary syntax in your question; I like the last one the best...
x = (1 < 2) ? true : false;
The use of ternary here is totally uncessesary - you could simply write
x = (1 < 2);
Likewise, the condition element of a ternary statement is always evaluated as a Bool...
Skip List vs. Binary Search Tree
...concurrent user. Of the two known locking red-black tree implementations, one essentially has a global lock during tree rebalancing. The other uses fancy (and complicated) lock escalation but still doesn't significantly out perform the global lock version.
lock-free red-black trees don't exist (no...
Having Django serve downloadable files
...ded string. Thus for example "Örinää.mp3" file cannot be served. And if one omits the smart_str, the Django itself throws ascii encoding error because all headers are encoded to ascii format before sending. Only way that I know of to circumvent this problem is to reduce X-sendfile filenames to on...
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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