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Undefined, unspecified and implementation-defined behavior
...pilers will not report any errors in the program!
Let's look at a classic example:
#include <iostream>
int main()
{
char* p = "hello!\n"; // yes I know, deprecated conversion
p[0] = 'y';
p[5] = 'w';
std::cout << p;
}
The variable p points to the string literal "hello!...
Convert xlsx to csv in Linux with command line
I'm looking for a way to convert xlsx files to csv files on Linux.
10 Answers
10
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Templated check for the existence of a class member function?
...e T>
class has_helloworld
{
typedef char one;
struct two { char x[2]; };
template <typename C> static one test( decltype(&C::helloworld) ) ;
template <typename C> static two test(...);
public:
enum { value = sizeof(test<T>(0)) == sizeof(char) };
};
...
“An attempt was made to load a program with an incorrect format” even when the platforms are the sam
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Oh my days I've been fishing around installing extra IIS components when this was the answer... Can anyone suggest a downside to having this option selected?
– notidaho
Jul 31 '12 at 14:10
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How to decompile a whole Jar file? [closed]
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fyi, java decompiler works on windows, mac and linux.
– yanokwa
Sep 13 '11 at 20:56
4
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SQL NVARCHAR and VARCHAR Limits
...c SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the statement
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HTML5 form required attribute. Set custom validation message?
...ustom validity in some event outside of invalid otherwise there may be an extra pass through the oninvalid handler to clear it.
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AngularJS passing data to $http.get request
...details_path, {params: {user_id: user.id}}).
– enpenax
May 29 '15 at 4:28
15
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Java: notify() vs. notifyAll() all over again
...ogles for "difference between notify() and notifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() .
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Undo changes in entity framework entities
...perties / relations.
The common way to "revert changes" is disposing context and reload entities. If you want to avoid reloading you must create clones of entities and modify those clones in new object context. If user cancel changes you will still have original entities.
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