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git: updates were rejected because the remote contains work that you do not have locally
I'm working on a team with a few developers using git on BitBucket. We are all working on a dev branch, not pushing to master until a release.
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Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...的信号，这也是无法用 kill 杀掉它的原因。
在 Stack Overflow 有一个解答：
kill -9 只是给进程发送了一个 SIGKILL 信号，当一个进程处于特殊状态时（信号处理，或者系统调用中）会无法处理任何信号，包括 SIGKILL 也不能被正确...
Can a class member function template be virtual?
I have heard that C++ class member function templates can't be virtual. Is this true?
12 Answers
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How do I sort a list of dictionaries by a value of the dictionary?
I have a list of dictionaries and want each item to be sorted by a specific property values.
18 Answers
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error: ‘NULL’ was not declared in this scope
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NULL is not a keyword. It's an identifier defined in some standard headers. You can include
#include <cstddef>
To have it in scope, including some other basics, like std::size_t.
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Can functions be passed as parameters?
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Yes, consider some of these examples:
package main
import "fmt"
// convert types take an int and return a string value.
type convert func(int) string
// value implements convert, returning x as string.
func value(x int) string {
return f...
How to find the files that are created in the last hour in unix
How to find the files that are created in the last hour in unix
6 Answers
6
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Minimal web server using netcat
...al web server using netcat (nc). When the browser calls up localhost:1500, for instance, it should show the result of a function ( date in the example below, but eventually it'll be a python or c program that yields some data).
My little netcat web server needs to be a while true loop in bash, poss...
Bash script to set up a temporary SSH tunnel
...g SSH process and get it's pid, kill it etc. Use the 'control socket' (-M for master and -S for socket) as follows:
$ ssh -M -S my-ctrl-socket -fnNT -L 50000:localhost:3306 jm@sampledomain.com
$ ssh -S my-ctrl-socket -O check jm@sampledomain.com
Master running (pid=3517)
$ ssh -S my-ctrl-socket -...
What's the difference between [ and [[ in Bash? [duplicate]
...o the [ command. It has several enhancements that make it a better choice if you write scripts that target bash. My favorites are:
It is a syntactical feature of the shell, so it has some special behavior that [ doesn't have. You no longer have to quote variables like mad because [[ handles empty ...