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How to check if a file is a valid image file?
I am currently using PIL.
11 Answers
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When to use the brace-enclosed initializer?
In C++11, we have that new syntax for initializing classes which gives us a big number of possibilities how to initialize variables.
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How to get arguments with flags in Bash
I know that I can easily get positioned parameters like this in bash:
11 Answers
11
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Default value of a type at Runtime [duplicate]
For any given type i want to know its default value.
6 Answers
6
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Will using goto leak variables?
Is it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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How do I check CPU and Memory Usage in Java?
I need to check CPU and memory usage for the server in java, anyone know how it could be done?
15 Answers
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C++ mark as deprecated
... method in an interface that I want to deprecate with portable C++.
When I Googled for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) .
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Difference between Pig and Hive? Why have both? [closed]
My background - 4 weeks old in the Hadoop world. Dabbled a bit in Hive, Pig and Hadoop using Cloudera's Hadoop VM. Have read Google's paper on Map-Reduce and GFS ( PDF link ).
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Convert XML String to Object
I am receiving XML strings over a socket, and would like to convert these to C# objects.
15 Answers
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What is the difference between varchar and varchar2 in Oracle?
...R is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never will.
If you rely on empty string and NULL being the same thing, you should use VARCHAR2.
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