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In Unix, can I run 'make' in a directory without cd'ing to that directory first?
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makefile:
all:
gcc -Wall -Wpedantic -std=gnu99 -g src/test.c -o build/test
run:
./build/test
or
run:
./../build/test
etc.
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Is it possible to ping a server from Javascript?
...that.bad();}, 1500);
}
}
This works on all types of servers that I've tested (web servers, ftp servers, and game servers). It also works with ports. If anyone encounters a use case that fails, please post in the comments and I will update my answer.
Update: Previous link has been removed. If a...
How do I get the coordinates of a mouse click on a canvas element?
...PeppeL-G bounding client rectangle calculates that for you. You can easily test it in console before you post a comment (that's what I did).
– Tomáš Zato - Reinstate Monica
Nov 29 '14 at 17:10
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linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... co
2、往版本库中添加新的文件
svn add file
例如：svn add test.php(添加test.php)
svn add *.php(添加当前目录下所有的php文件)
3、将改动的文件提交到版本库
svn commit -m “LogMessage“ [-N] [--no-unlock] PATH(如果选择了保持锁，就使用–no-...
Fast Linux File Count for a large number of files
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The fastest way is a purpose-built program, like this:
#include <stdio.h>
#include <dirent.h>
int main(int argc, char *argv[]) {
DIR *dir;
struct dirent *ent;
long count = 0;
dir = opendir(argv[1]);
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How do I check that a number is float or integer?
... 1 === 0;
}
If you don't know that the argument is a number you need two tests:
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}
Update 2019
5 years after this answer was written, a solution was st...
Purge Kafka Topic
...he topic:
bin/kafka-topics.sh --zookeeper localhost:2181 --delete --topic test
then re-create it:
bin/kafka-topics.sh --create --zookeeper localhost:2181 \
--replication-factor 1 --partitions 1 --topic test
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What is the Sign Off feature in Git for?
...e tracking of who did what, especially with patches.
Example commit:
Add tests for the payment processor.
Signed-off-by: Humpty Dumpty <humpty.dumpty@example.com>
It should contain the user real name if used for an open-source project.
If branch maintainer need to slightly modify patches...
How do I flush the PRINT buffer in TSQL?
...ed procedure, flushing output is triggered by the GO command, e.g.
print 'test'
print 'test'
go
In general, my conclusion is following: output of mssql script execution, executing in SMS GUI or with sqlcmd.exe, is flushed to file, stdoutput, gui window on first GO statement or until the end of th...
How to remove a file from the index in git?
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This removes the latest change for the specific file but keeps it in the repo (remote) after commit and push.
– powder366
Jun 30 '16 at 6:25
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