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Read stream twice
How do you read the same inputstream twice? Is it possible to copy it somehow?
10 Answers
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Check if a String contains numbers Java
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Yassin Hajaj
17k88 gold badges3939 silver badges7575 bronze badges
answered Sep 3 '13 at 11:19
Evgeniy DorofeevEvgeniy Dorofe...
What are the most-used vim commands/keypresses?
I'm a Ruby programming trying to switch from Textmate to MacVim, and I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' ...
How to convert a String to CharSequence?
...nce cs = "string";
String s = cs.toString();
foo(s); // prints "string"
public void foo(CharSequence cs) {
System.out.println(cs);
}
If you want to convert a CharSequence to a String, just use the toString method that must be implemented by every concrete implementation of CharSequence.
Hope ...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...就可以用该类来进行匹配了，Match方法的原型如下：
BOOL Match(const RECHAR *szIn, CAtlREMatchContext *pContext, const RECHAR **ppszEnd=NULL)
参数的含义很明显，不过需要注意到第一个参数的型别是：const RECHAR * szIN，是一个 const指针，这表...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...调试，我把代码列在下面：#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char** argv) {
struct foo f={0};
if (f.a->s) {
&nbs...
Remove the last character in a string in T-SQL?
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Shiroy
99011 gold badge1010 silver badges1818 bronze badges
answered Aug 10 '09 at 20:02
AdaTheDevAdaTheDev
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How do I get extra data from intent on Android?
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edited Feb 2 '19 at 10:07
answered Nov 20 '10 at 17:04
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...echoes a PID into it. This serves as a protection if the process is killed before removing the pidfile:
LOCKFILE=/tmp/lock.txt
if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}`; then
echo "already running"
exit
fi
# make sure the lockfile is removed when we exit and then claim it
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Finding local maxima/minima with Numpy in a 1D numpy array
...n from numpy/scipy that can find local maxima/minima in a 1D numpy array? Obviously the simplest approach ever is to have a look at the nearest neighbours, but I would like to have an accepted solution that is part of the numpy distro.
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