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Who is listening on a given TCP port on Mac OS X?
...tening on the specified TCP port. How do I get the same information on Mac OS X?
17 Answers
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What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
..., C#, HTML, JS, CSS, etc.), copying & paste pieces of text and running macros on it, etc.
3 Answers
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Fastest way to count exact number of rows in a very large table?
...nly speculate. Does the db maintenance process find out that there are 42,123,876 rows in table A and then create 42,123,876 empty rows in table B, and then loop through table A and update the rows in table B...? Or is it crazier than that? ;-)
– Tony Andrews
...
Using IPython notebooks under version control
...tion with git. It allows you to just add and commit (and diff) as usual: those operations will not alter your working tree, and at the same time (re)running a notebook will not alter your git history.
Although this can probably be adapted to other VCSs, I know it doesn't satisfy your requirements (...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...：
// 写文件
$fp = fopen("log.txt", "a");
fwrite($fp, $str);
fclose($fp);
// 读文件
$fp = fopen("log.txt", "r");
while(!feof($fp)) {
$line = fgets($fp);
echo $line;
}
fclose($fp);
C#读写文件：
using System.IO;
private void ReadWriteFunc(string str)
{ ...
Ruby replace string with captured regex pattern
...note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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Handler is abstract ,cannot be instantiated
...r class
import java.util.logging.Handler;
Change it to
import android.os.Handler;
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
... simple Google App Engine Web Application Project on Eclipse Kepler on Mac OS X with java version "1.7.0_45"
2 Answers
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Mac OS X Terminal: Map option+delete to “backward delete word”
...t; Profiles > Keyboard
Check Use option key as meta key.
Image
On macOS High Sierra 10.13.6, captured on October 23, 2018.
Notes
Many applications (including bash and tcsh) treat Meta-Delete as "backward delete word."
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Converting a Java Keystore into PEM Format
...asd
Certificate:
Data:
Version: 3 (0x2)
Serial Number: 1237334757 (0x49c03ae5)
Signature Algorithm: dsaWithSHA1
Issuer: C=AU, ST=Victoria, L=Melbourne, CN=foo.example.com
Validity
Not Before: Mar 18 00:05:57 2009 GMT
Not After : Jun...