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What does CultureInfo.InvariantCulture mean?

...nstalledUICulture so the default CultureInfo is depending on the executing OS's settings. This is why you should always make sure the culture info fits your intention (see Martin's answer for a good guideline). CultureInfo.InvariantCulture Example CultureInfo.InvariantCulture on StackOverflow Cult...
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Java: int array initializes with nonzero elements

According to the JLS, an int array should be filled by zeros just after initialization. However, I am faced with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception: ...
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What is the difference between SQL, PL-SQL and T-SQL?

...guage to operate on sets. It is more or less standardized, and used by almost all relational database management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc. PL/SQL is a proprietary procedural language used by Oracle PL/pgSQL is a procedural language used by PostgreSQL TSQL i...
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C++ Dynamic Shared Library on Linux

...ual otherwise linker will try to perform static linkage */ virtual void DoSomething(); private: int x; }; #endif myclass.cc #include "myclass.h" #include <iostream> using namespace std; extern "C" MyClass* create_object() { return new MyClass; } extern "C" void destroy_object( My...
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Why does changing 0.1f to 0 slow down performance by 10x?

... (or subnormal) numbers are kind of a hack to get some extra values very close to zero out of the floating point representation. Operations on denormalized floating-point can be tens to hundreds of times slower than on normalized floating-point. This is because many processors can't handle them dire...
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Truncating long strings with CSS: feasible yet?

...! My original answer follows as a historical record. Justin Maxwell has cross browser CSS solution. It does come with the downside however of not allowing the text to be selected in Firefox. Check out his guest post on Matt Snider's blog for the full details on how this works. Note this technique ...
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How do I split a string on a delimiter in Bash?

...S on the same line as the read with no semicolon or other separator, as opposed to in a separate command, scopes it to that command -- so it's always "restored"; you don't need to do anything manually. – Charles Duffy Jul 6 '13 at 14:39 ...
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How can I access my localhost from my Android device?

...twork), then use your desktop IP address assigned by the router (not localhost and not 127.0.0.1). To find out the IP address of your desktop: type into the command line ipconfig (Windows) or ifconfig (Unix) on Linux the one-liner ifconfig | grep "inet " | grep -v 127.0.0.1 will yield only t...
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When should we use mutex and when should we use semaphore

...ut your thread is not allowed to sleep. e.g.: An interrupt handler within OS kernel must never sleep. If it does the system will freeze / crash. If you need to insert a node to globally shared linked list from the interrupt handler, acquire a spinlock - insert node - release spinlock. ...
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Evaluating a mathematical expression in a string

...ily in other places. ''' class NumericStringParser(object): ''' Most of this code comes from the fourFn.py pyparsing example ''' def pushFirst(self, strg, loc, toks): self.exprStack.append(toks[0]) def pushUMinus(self, strg, loc, toks): if toks and toks[0] ==...