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How can I select item with class within a DIV?
...ll it will probably search in the same fashion and in your case perform an extra check. Possible that native implementations do the same.
– davin
Aug 3 '11 at 22:00
...
How to deal with a slow SecureRandom generator?
...RNG, do something like this:
SecureRandom.getInstance("SHA1PRNG");
What strings are supported depends on the SecureRandom SPI provider, but you can enumerate them using Security.getProviders() and Provider.getService().
Sun is fond of SHA1PRNG, so it's widely available. It isn't especially fast ...
VC 对话框背景颜色、控件颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...gDlg::OnInitDialog()
{
...
// TODO: Add extra initialization here
m_brush.CreateSolidBrush(RGB(0, 255, 0)); // 生成一绿色刷子
...
}
③利用ClassWizard重载OnCtlColor(…)，即WM_CTLCOLOR消息：
HBRUSH CE...
HAXM 安装/启动失败？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
...HAXM 目录（通常在 C:\Users\你的用户名\AppData\Local\Android\Sdk\extras\intel\Hardware_Accelerated_Execution_Manager\），运行 intelhaxm-android.exe 进行手动安装安装完成后，重启计算机
BIOS 未开启 VT-x（Intel 虚拟化技术）
进入 BIOS（通常是开机时按 F...
Why is ArrayDeque better than LinkedList
...ian.
The test setup considers:
Each test object is a 500 character String. Each String is a different object in memory.
The size of the test array will be varied during the tests.
For each array size/Queue-implementation combination, 100 tests are run and average time-per-test is c...
What are the differences between the different saving methods in Hibernate?
... often has performance limitations compared to an update as it seems to do extra fetching for integrity checks of some sort.
– Martin Dale Lyness
Jun 18 '09 at 13:00
1
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How to scale a UIImageView proportionally?
...ound on the Apple Dev forums.
In a project-wide .h -
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize;
@end;
Implementation:
@implementation UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize {
UIImage *sourceI...
Java: Get month Integer from Date
...ime datetime = new DateTime(date);
int month = Integer.parseInt(datetime.toString("MM"))
…or…
int month = dateTime.getMonthOfYear();
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What is a lambda expression in C++11?
...n false ; return true ; }()) // i is all whitespace, assuming i is an std::string
– Blacklight Shining
Mar 2 '13 at 1:13
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Changing image size in Markdown
... or height, and the space before /> is optional, but other than that no extra whitespace is allowed). GitHub, by contrast, supports (at least) also alt and title attributes, and allows extra whitespace.
– mklement0
Jul 9 at 21:09
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