大约有 37,000 项符合查询结果（耗时：0.0471秒） [XML]
How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
...
Use an overload of rfind which has the pos parameter:
std::string s = "tititoto";
if (s.rfind("titi", 0) == 0) {
// s starts with prefix
}
Who needs anything else? Pure STL!
Many have misread this to mean "search backwards through the whole string looking for...
git mv and only change case of directory
... I didn't know about the -A or the --amend option.
– oschrenk
Jun 10 '10 at 5:18
7
...
Installing R with Homebrew
...'s just brew install r. See @Andrew's answer below.
As of 2014 (using an Yosemite), the method is the following:
brew tap homebrew/science
brew install Caskroom/cask/xquartz
brew install r
The gcc package (will be installed automatically as a required dependency) in the homebrew/science tap alre...
NullPointerException in Java with no StackTrace
...
You are probably using the HotSpot JVM (originally by Sun Microsystems, later bought by Oracle, part of the OpenJDK), which performs a lot of optimization. To get the stack traces back, you need to pass the option -XX:-OmitStackTraceInFastThrow to the JVM.
The optimization is that when...
Capture characters from standard input without waiting for enter to be pressed
...
That's not possible in a portable manner in pure C++, because it depends too much on the terminal used that may be connected with stdin (they are usually line buffered). You can, however use a library for that:
conio available with Win...
How to fix Python indentation
...ted Jun 21 '09 at 19:29
SilentGhost
246k5454 gold badges286286 silver badges278278 bronze badges
answered Jun 21 '09 at 18:36
...
windowSoftInputMode=“adjustResize” not working with translucent action/navbar
...no repercussions. Add a custom implementation of your root ViewGroup (I almost always am using FrameLayout, so this is what I've tested with) with the logic below. Then, use this custom layout in place of your root layout, and ensure you set android:fitsSystemWindows="true". You can then just call g...
Howto: Clean a mysql InnoDB storage engine?
Is it possible to clean a mysql innodb storage engine so it is not storing data from deleted tables?
2 Answers
...
Android - Emulator in landscape mode, screen does not rotate
...) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
...
ERROR: Error installing capybara-webkit:
...test version of Mavericks on Macs.
– Brian Jeffrey Gross
Jul 29 '14 at 3:59
1
Worked for me on os...