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How can I scale an image in a CSS sprite
...block;
background: url('../img/icons/icons.png') no-repeat;
width: 64px;
height: 51px;
overflow: hidden;
zoom:0.5;
-moz-transform:scale(0.5);
-moz-transform-origin: 0 0;
}
.icon-huge{
zoom:1;
-moz-transform:scale(1);
-moz-transform-origin: 0 0;
}
.icon-big{
...
How do I print the full value of a long string in gdb?
...n of that string:
(gdb) p/x (char[10]) *($ebx)
$90 = {0x61,
0x73,
0x64,
0x66,
0x61,
0x73,
0x64,
0x66,
0x65,
0xa}
This may be useful if you want to debug by their values
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Are string.Equals() and == operator really same? [duplicate]
... a particular sequence of 32,000 characters, interning the string may save 64K for each copy that would otherwise be created. But if one interns a 32,000 character string and never again uses that sequence of characters, one will permanently waste 64K of memory. Programs can't afford to do that to...
WAMP/XAMPP is responding very slow over localhost
...
I had the same problem running on Windows 8 running on 64bit. Apache is really slow but when you press F5 many times it goes ok. In the end i after doing many things managed to solve it. Right now it works fast.
Try the following tasks to increase the performance:
Change apach...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...多通道和内存条rank级并行优化。一个内存通道一般使用64位数据总线，双通道同时工作提供了128位传输能力。Rank是指DIMM上几个内存颗粒共同提供的64位数据，同一条内存上的不同rank因为共享数据总线而不能被同时访问，但内存...
How do you use https / SSL on localhost?
... elevated Command Prompt:
cd C:\Program Files (x86)\Windows Kits\8.1\bin\x64
makecert -r -n "CN=localhost" -b 01/01/2000 -e 01/01/2099 -eku 1.3.6.1.5.5.7.3.3 -sv localhost.pvk localhost.cer
cert2spc localhost.cer localhost.spc
pvk2pfx -pvk localhost.pvk -spc localhost.spc -pfx localhost.pfx
2....
How do I make a textbox that only accepts numbers?
....Int32 input (it could be easily adapted for other types such as System.Int64, etc.). It supports copy/paste operations and negative numbers:
public class Int32TextBox : TextBox
{
protected override void OnKeyPress(KeyPressEventArgs e)
{
base.OnKeyPress(e);
NumberFormatInfo...
How to monitor the memory usage of Node.js?
... the current Node.js process. Here is an example from in Node v0.12.2 on a 64-bit system:
$ node --expose-gc
> process.memoryUsage(); // Initial usage
{ rss: 19853312, heapTotal: 9751808, heapUsed: 4535648 }
> gc(); // Force a GC for the baseline.
undefined
> process.mem...
(-2147483648> 0) returns true in C++?
-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence:
...
How to check command line parameter in “.bat” file?
...
Look at http://ss64.com/nt/if.html for an answer; the command is IF [%1]==[] GOTO NO_ARGUMENT or similar.
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