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Fastest way to determine if an integer's square root is an integer
I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer):
...
Python, Unicode, and the Windows console
...
Here is a page that details the problem and a solution (search the page for the text Wrapping sys.stdout into an instance):
PrintFails - Python Wiki
Here's a code excerpt from that page:
$ python -c 'import sys, codecs, locale; print sys.stdout.encoding; \
sys.stdout = codecs.getwriter(loc...
MFC 多线程编程简单实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...D lpParam)
{
printf("ThreadProc\n");
return -1;
}
int _tmain(int argc, _TCHAR* argv[])
{
DWORD dwThreadId;
HANDLE hThread = CreateThread(
NULL,
0,
ThreadProc,
NULL, // 需要传递给回调...
How to implement static class member functions in *.cpp file?
...;< '\n';
}
::::::::::::::
Something.h
::::::::::::::
#ifndef SOMETHING_H_
#define SOMETHING_H_
class Something
{
private:
static int s_value;
public:
static int getValue() { return s_value; } // static member function
};
#endif
::::::::::::::
Something.cpp
::::::::::::::
#include "So...
Show all Elasticsearch aggregation results/buckets and not just 10
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The size param should be a param for the terms query example:
curl -XPOST "http://localhost:9200/imoveis/_search?pretty=1" -d'
{
"size": 0,
"aggregations": {
"bairro_count": {
"terms": {
"field": "bairro.raw",
"s...
Disable ALL CAPS menu items in Visual Studio 2013
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Yes - in the new Visual Studio 2013 (as in VS 2012), MS reinforced their design decision to make ALL CAPS MENU ITEMS the default. The methods for reverting the menu style are almost the same methods used for Visual Studio 2012, which has been discussed before.
Update (after Visual St...
Insert picture into Excel cell [closed]
...ment > right-click on shaded (grey area) on outside of comment box > Format Comment > Colors and Lines > Fill > Color > Fill Effects > Picture > (Browse to picture) > Click OK
Image will appear on hover over.
Microsoft Office 365 (2019) introduced new things called comm...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...Scala class contains all features of the below Java class, and some more - for example it supports pattern matching (which Java doesn't have). Scala 2.8 adds named and default arguments, which are used to generate a copy method for case classes, which gives the same ability as the with* methods of t...
How to turn NaN from parseInt into 0 for an empty string?
... of true. If your string starts with a 0 is assumes the number is in octal format so parseInt('077') gives you 63. This can lead to very nasty to find bugs so you should always specify the second parameter. see for example stackoverflow.com/questions/8763396/…
– chuck258
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What is the meaning and difference between subject, user and principal?
...ject is the thing acted on. In this sense the use has been around since before computers were invented. In a security context, a subject is anything that can make a request. As noted above, this need not be limited to IT security and so is a very broad classification. The interesting thing is th...