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Internal typedefs in C++ - good style or bad style?
Something I have found myself doing often lately is declaring typedefs relevant to a particular class inside that class, i.e.
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snprintf and Visual Studio 2010
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Short story: Microsoft has finally implemented snprintf in Visual Studio 2015. On earlier versions you can simulate it as below.
Long version:
Here is the expected behavior for snprintf:
int snprintf( char* buffer, std::size_t buf_size, const char* format, ... );
Writes at m...
Java Singleton and Synchronization
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Yes, it is necessary. There are several methods you can use to achieve thread safety with lazy initialization:
Draconian synchronization:
private static YourObject instance;
public static synchronized YourObject getInstance() {
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Do try/catch blocks hurt performance when exceptions are not thrown?
...n of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only important sections should be checked. The Microsoft employee added and said an upco...
MySQL, better to insert NULL or empty string?
... some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data?
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Determine a user's timezone
Is there a standard way for a web server to be able to determine a user's timezone within a web page?
24 Answers
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Is there a difference between `continue` and `pass` in a for loop in python?
Is there any significant difference between the two python keywords continue and pass like in the examples
11 Answers
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What is the difference between Int and Integer?
In Haskell, what is the difference between an Int and an Integer ? Where is the answer documented?
6 Answers
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What open source C++ static analysis tools are available? [closed]
Java has some very good open source static analysis tools such as FindBugs , Checkstyle and PMD . Those tools are easy to use, very helpful, runs on multiple operating systems and free .
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Rails: Is there a rails trick to adding commas to large numbers?
Is there a way to have rails print out a number with commas in it?
14 Answers
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