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How to determine the current shell I'm working on
...-purposes 100%: ps -ef | egrep "^\s*\d+\s+$$\s+". The ^ makes sure we're starting from the beginning of the line, the \d+ eats up the UID, the $$ matches the PID, and the \s* and \s+ account for & ensure whitespace between the other parts.
– Slipp D. Thompson
...
SQL Server: Filter output of sp_who2
... ''
),
LastBatch = COALESCE
(
r.start_time,
s.last_request_start_time
),
ProgramName = COALESCE
(
s.program_name,
''
)
FROM
sys.dm_exec_sessions s
LEFT OUTER JOIN
sys.dm_exec_requests ...
How do you get a list of the names of all files present in a directory in Node.js?
... is there a quick way to ignore certain dirs? I want to ignore directories starting with .git
– j_d
May 3 '16 at 12:14
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show 3 more comment...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
Here in stackoverflow, if you started to make changes then you attempt to navigate away from the page, a javascript confirm button shows up and asks: "Are you sure you want to navigate away from this page?" blee blah bloo...
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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...Class.forName("...") parameter.
Class.forName not required with JDBC v.4
Starting with Java 6, Class.forName("something.jdbc.driver.YourFubarDriver") is not necessary anymore if you use a recent (JDBC v.4) driver. For details read this: http://onjava.com/pub/a/onjava/2006/08/02/jjdbc-4-enhancemen...
How to change language of app when user selects language?
...tent refresh = new Intent(this, AndroidLocalize.class);
finish();
startActivity(refresh);
}
Make sure you imported following packages:
import java.util.Locale;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.content.res.Configura...
Why are global variables evil? [closed]
... into your python's packages directory you'll find that most modules there start with a bunch of global declarations. Obviously, people have no problem with them.
Specifically to python, globals' visibility is limited to a module, therefore there are no "true" globals that affect the whole program ...
TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...oe的基础上增加了4）快速恢复
慢热启动算法 – Slow Start
首先，我们来看一下TCP的慢热启动。慢启动的意思是，刚刚加入网络的连接，一点一点地提速，不要一上来就像那些特权车一样霸道地把路占满。新同学上高速还是...
What is JavaScript's highest integer value that a number can go to without losing precision?
...
@ninjagecko, he starts at MAX_INT so the end is right there. Also using i+= 1000000000 would make it no longer an infinite loop. Try it.
– Ted Bigham
Jan 5 '16 at 0:52
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How to scale threads according to CPU cores?
...ing on what work you are doing and how you setup your thread.
yourThread.start();
}
For more information on creating your own thread, head to this tutorial. Also, you may want to look at Thread Pooling for the creation of the threads.
...