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How to match “any character” in regular expression?

... Yes, you can. That should work. . = any char \. = the actual dot character .? = .{0,1} = match any char zero or one times .* = .{0,} = match any char zero or more times .+ = .{1,} = match any char one or more times ...
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What is AF_INET, and why do I need it?

...ple, supports 29 other address families such as UNIX (AF_UNIX) sockets and IPX (AF_IPX), and also communications with IRDA and Bluetooth (AF_IRDA and AF_BLUETOOTH, but it is doubtful you'll use these at such a low level). For the most part, sticking with AF_INET for socket programming over a networ...
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Is “IF” expensive?

...nation on Cell Performance. Another fun one is this post about branchless selections on the Real Time Collision Detection Blog. In addition to the excellent answers already posted in response to this question, I'd like to put in a reminder that although "if" statements are considered expensive low...
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Is it better to reuse a StringBuilder in a loop?

...0) is far and away the most efficient answer. StringBuilder is backed by a char array and is mutable. At the point .toString() is called, the char array is copied and is used to back an immutable string. At this point, the mutable buffer of StringBuilder can be re-used, simply by moving the insertio...
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How to set java_home on Windows 7?

... installation path: Right-click the My Computer icon on your desktop and select Properties. Click the Advanced tab, then click the Environment Variables button. Under System Variables, click New. Enter the variable name as JAVA_HOME. Enter the variable value as the installation path for the Java ...
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Why is list initialization (using curly braces) better than the alternatives?

...t be converted to another integer that cannot hold its value. For example, char to int is allowed, but not int to char. A floating-point value cannot be converted to another floating-point type that cannot hold its value. For example, float to double is allowed, but not double to float. A floating-p...
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Standard alternative to GCC's ##__VA_ARGS__ trick?

...ine REST_HELPER_TWOORMORE(first, ...) , __VA_ARGS__ #define NUM(...) \ SELECT_10TH(__VA_ARGS__, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE,\ TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, ONE, throwaway) #define SELECT_10TH(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, ...) a10 int main...
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How to escape JSON string?

... edited Jun 6 '17 at 23:57 Richard Ev 47.6k5353 gold badges179179 silver badges271271 bronze badges answered Jan 30 '14 at 11:40 ...
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Remove non-utf8 characters from string

Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation) ...
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu

...table). In comment you said you want it in yyyy-mm-dd format. So, try this SELECT CONVERT(char(10), GetDate(),126). Just replace GETDATE() with necessary value. – Mahe Dec 30 '13 at 15:29 ...