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Difference between >>> and >>
...ll extend the sign bit.
JLS 15.19 Shift Operators
The shift operators include left shift <<, signed right shift >>, and unsigned right shift >>>.
The value of n>>s is n right-shifted s bit positions with sign-extension.
The value of n>>>s is n right...
What is the email subject length limit?
...ll "cut" the subject in the middle of it and mesh it all that comes after, including body text, attaches, etc... all a mesh!
I have several examples like this one:
Subject: =?ISO-8859-1?Q?Actas de la obra N=BA.20100154 (Expediente N=BA.20100182) "NUEVA RED FERROVIARIA.=
TRAMO=20BEASAIN=20OESTE(Pe...
Visual Studio can't build due to rc.exe
...and Prompt - otherwise you get the Windows 10 Kit by default which doesn't include rc.exe in the bin directory.
e.g. Start Menu->Visual Studio 2015->VS2015 x64 Native Tools Command Prompt
%comspec% /k "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64 8.1
Note the...
surface plots in matplotlib
...face representation. For these situations, the user may have to explicitly include the delaunay triangulation calculation so that these triangles can be removed programmatically. Under these circumstances, the following code could replace the previous plot code:
import matplotlib.tri as mtri
impo...
Underscore: sortBy() based on multiple attributes
...
There is a blog post that expands on this and includes good information on sorting ascending and descending properties.
– Alex C
Oct 7 '14 at 15:13
4
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Why do we check up to the square root of a prime number to determine if it is prime?
...number 101 for primality, you only need to try the integers up through 10, including 10. But 8, 9, and 10 are not themselves prime, so you only have to test up through 7, which is prime.
Because if there's a pair of factors with one of the numbers bigger than 10, the other of the pair has to be les...
Java generics type erasure: when and what happens?
...ry code except in some cases where you need runtime tags. These exceptions include for instance all existential types (Java Reference Types which are subtypeable, Any Type in many languages, Union Types).
The reason for type erasure is that programs get transformed to a language which is in some kin...
Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
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Great work! but is it possible to include the js code that acts on the element?
– t31321
Dec 31 '14 at 13:41
1
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...BSTR转换成char*
方法一，使用ConvertBSTRToString。例如：
#include #pragma comment(lib, "comsupp.lib")
int _tmain(int argc, _TCHAR* argv[])
{
BSTR bstrText = ::SysAllocString(L"Test");
char* lpszText2 = _com_util::ConvertBSTRToString(bstrText);
SysFreeString(bstrText)...
How do you maintain development code and production code? [closed]
...branch? That way I could start working on my new mad feature that won't be included in the next release (and might break something) while in that time QA will test the existing code without my new feature interfearing?
– BornToCode
Dec 27 '16 at 14:36
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