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Do you use NULL or 0 (zero) for pointers in C++?
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cerr << sizeof(void*) << endl;
============
On a 64-bit gcc RHEL platform you get:
4
8
8
================
The moral of the story. You should use NULL when you're dealing with pointers.
1) It declares your intent (don't make me search through all your cod...
How to return a file using Web API?
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You may also want to override the base dispose() so you can handle your resources correctly when the framework calls it.
– Phil Cooper
Jan 16 '14 at 11:29
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What are Runtime.getRuntime().totalMemory() and freeMemory()?
...answers (at the time of writing):
import java.io.*;
/**
* This class is based on <a href="http://stackoverflow.com/users/2478930/cheneym">cheneym</a>'s
* <a href="http://stackoverflow.com/a/18375641/253468">awesome interpretation</a>
* of the Java {@link Runtime}'s memor...
Algorithm to get the excel-like column name of a number
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Here's a nice simple recursive function (Based on zero indexed numbers, meaning 0 == A, 1 == B, etc)...
function getNameFromNumber($num) {
$numeric = $num % 26;
$letter = chr(65 + $numeric);
$num2 = intval($num / 26);
if ($num2 > 0) {
ret...
How can I have lowercase routes in ASP.NET MVC?
....Add(v.Key.ToLowerInvariant(), v.Value);
break;
}
}
return base.GetVirtualPath(requestContext, lowerCaseValues);
}
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C++11 std::threads vs posix threads
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ultiplyByZer0
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answered Jan 23 '13 at 12:51
Rigg802Rigg802
2,61611 gold bad...
How to do case insensitive string comparison?
...tivity: 'accent' } tells localeCompare() to treat two variants of the same base letter as the same unless they have different accents (as in the third example) above.
Alternatively, you can use { sensitivity: 'base' }, which treats two characters as equivalent as long as their base character is the...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...AboutDlg中发送该消息的control指针，nCtlColor市Control的类型编码。对其进行如下修改：
HBRUSH CAboutDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if ((pWnd->GetDlgCtrlID() == IDC_EDIT1) && (nCtlColor == CTLCOLOR_EDIT))
{
COLORREF clr = RGB(255,...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...Other designs are less fragile, so I personally am afraid to recommend GCM based upon the amount of poor encryption code that I have seen in practice.
If you need both, message integrity and encryption, you can combine two algorithms: usually we see CBC with HMAC, but no reason to tie yourself to C...