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How do I determine the size of an object in Python?
...t
have to hold true for third-party
extensions as it is implementation
specific.
Only the memory consumption directly attributed to the object is
accounted for, not the memory consumption of objects it refers to.
The default argument allows to define
a value which will be returned if the
object type...
How do I grant myself admin access to a local SQL Server instance?
...the command prompt to stop the SQL Server service:
net stop mssqlserver
Now go to the directory where SQL server is installed. The directory can for instance be one of these:
C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\Binn
C:\Program Files\Microsoft SQL Server\MSSQL13.MS...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
...de only for one operating system and not the other. Is there a standard #ifdef that once can use?
7 Answers
...
Add single element to array in numpy
...
When appending only once or once every now and again, using np.append on your array should be fine. The drawback of this approach is that memory is allocated for a completely new array every time it is called. When growing an array for a significant amount of samp...
Is returning by rvalue reference more efficient?
...e following
Beta_ab
Beta::toAB() const {
return Beta_ab(1, 1);
}
Now, it's properly moving a temporary Beta_ab object into the return value of the function. If the compiler can, it will avoid the move altogether, by using RVO (return value optimization). Now, you can do the following
Beta...
Mock functions in Go
...more modular. In this case, the Downloader object's 'get_page' behavior is now pluggable--we can dynamically change its implementation. You only have to change your main code if it was badly written in the first place.
– weberc2
May 29 '14 at 13:37
...
How to print out the method name and line number and conditionally disable NSLog?
...
Here are some useful macros around NSLog I use a lot:
#ifdef DEBUG
# define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)
#else
# define DLog(...)
#endif
// ALog always displays output regardless of the DEBUG setting
#define ALog(...
How to make a cross-module variable?
The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it?
...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...e="0"/>
</root>
CMarkup markup;
bool bSucceed = markup.Load(szFile);
if (bSucceed)
{
bSucceed = markup.FindElem();
if (bSucceed)
{
markup.IntoElem();
bSucceed = markup.FindElem(_T("update"));
if (bSucceed)
{
_tcsncpy_s(param.version, markup.GetAttrib(_T("ver")), sizeof(p...
PHP function overloading
...cannot have two functions with the same name. Class method overloading is different in PHP than in many other languages. PHP uses the same word but it describes a different pattern.
You can, however, declare a variadic function that takes in a variable number of arguments. You would use func_num_ar...