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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
... Also note that git is fairly smart when it comes to this. You can set the abbreviation short, say to 4, and git will use 4 digits for as many hashes as it can, but switch to 5 or more when it knows that the abbreviation is not unique...
– twalberg
Aug ...
Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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How do I get a file name from a full path with PHP?
..."/home/httpd/html/index.php";
$file = basename($path); // $file is set to "index.php"
$file = basename($path, ".php"); // $file is set to "index"
?>
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...础知识还不了解,建议先去看看.开始配置我们来配置一个filter表的防火墙.(1)查看本机关于IPTABLES的设置情况[root@tp ~]...如果你的IPTABLES基础知识还不了解,建议先去看看.
开始配置
我们来配置一个filter表的防火墙.
(1)查看本机关于...
Padding characters in printf
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Pure Bash. Use the length of the value of 'PROC_NAME' as offset for the fixed string 'line':
line='----------------------------------------'
PROC_NAME='abc'
printf "%s %s [UP]\n" $PROC_NAME "${line:${#PROC_NAME}}"
PROC_NAME='abcdef'
printf "%s %s [UP]\n" $PROC_NAME "${line:${#PROC_N...
Redirect stdout to a file in Python?
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If you want to do the redirection within the Python script, setting sys.stdout to a file object does the trick:
import sys
sys.stdout = open('file', 'w')
print('test')
A far more common method is to use shell redirection when executing (same on Windows and Linux):
$ python foo.py ...
How to automatically generate a stacktrace when my program crashes
...main+0xdb)[0x3a9b91c4bb]
./test[0x40086a]
This shows the load module, offset, and function that each frame in the stack came from. Here you can see the signal handler on top of the stack, and the libc functions before main in addition to main, foo, bar, and baz.
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Wait for a process to finish
Is there any builtin feature in Bash to wait for a process to finish?
14 Answers
14
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Android Paint: .measureText() vs .getTextBounds()
...text!";
Paint p = new Paint();
Rect bounds = new Rect();
p.setTextSize(60);
p.getTextBounds(s, 0, s.length(), bounds);
float mt = p.measureText(s);
int bw = bounds.width();
Log.i("LCG", String.format(
"measureText %f, getTextBounds %d (%s)",
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How do I move forward and backward between commits in git?
...f the linked answers. FWIW, I tried a version of this with a simple linear set of commits and finally just gave up.
– Snowcrash
Aug 20 '19 at 11:47
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