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When is CRC more appropriate to use than MD5/SHA1?
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I ran every line of this PHP code in 1.000.000 loop. Results are in comments (#).
hash('crc32', 'The quick brown fox jumped over the lazy dog.');# 750ms 8 chars
hash('crc32b','The quick brown fox jumped over the lazy dog.');# 700ms 8 chars
has...
Static variables in member functions
...eans that the data is allocated statically, initialized the first time the block is entered and lasts until the program quits. Also the variable is visible only inside the function. This special feature of local statics is often used to implement lazy construction of singletons.
When used at a compi...
How can I know which parts in the code are never used?
...).
-Wunreachable-code (older GCC, removed in 2010) should warn about local blocks that are never accessed (it happens with early returns or conditions that always evaluate to true)
there is no option I know of to warn about unused catch blocks, because the compiler generally cannot prove that no exc...
Difference between “read commited” and “repeatable read”
...transactions, while they may make life easy for you, are always completely blocking every possible concurrent operation, since they require that nobody can modify, delete nor insert any row. The default transaction isolation level of the .Net System.Transactions scope is serializable, and this usual...
.NET obfuscation tools/strategy [closed]
...ion" is removed with mouse click: woodmann.com/collaborative/tools/index.php/Dumbassembly
– Elmue
Mar 6 '14 at 3:37
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Rank function in MySQL
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Can you also let us know how is .php code exactly should be? I tried to follow, but above code does not work. How to input to .php format?
– creator
Apr 27 '15 at 12:00
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Are HTML comments inside script tags a best practice? [closed]
...great majority do) - it is irrelevant because almost all understand script blocks, which means that they know to ignore the JavaScript even if they can't interpret it.
Matt Kruse gives a slightly more detailed explanation on his JavaScript Toolbox site for why specifically not to use HTML comments ...
How exactly does work?
...ents. I saw the defer attribute can come in handy here as it allows code blocks to be postponed in execution.
10 Answers
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Why was the switch statement designed to need a break?
... idea for C# to require an explicit jump statement at the end of each case block (while still allowing multiple case labels to be stacked - as long as there's only a single block of statements). In C# you can still have one case fall through to another - you just have to make the fall thru explicit ...
How to read keyboard-input?
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Non-blocking multi-threaded version, so you can keep doing stuff instead of blocking on keyboard input: stackoverflow.com/a/53344690/4561887
– Gabriel Staples
Nov 16 '18 at 20:10
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