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How accurate is python's time.sleep()?
...ailable), and sleep() will
accept a time with a nonzero fraction
(Unix select is used to implement
this, where available).
And more specifically w.r.t. sleep():
Suspend execution for the given number
of seconds. The argument may be a
floating point number to indicate a
more precise...
git log of a single revision
...grep='part_of_description' -p
where git log --grep='part_of_description' select the commits that contains 'part_of_description' and -p show the changeset of each commit
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How to increase space between dotted border dots
...
Should be the selected answer.
– Kevin Jurkowski
May 6 '14 at 21:21
8
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Can I recover a branch after its deletion in Git?
...leted. Now simply right click on the most recent commit to the branch and select the menu option Create new branch.
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How do you set a default value for a MySQL Datetime column?
...test (str) values ("demo");
Query OK, 1 row affected (0.00 sec)
mysql> select * from test;
+------+---------------------+
| str | ts |
+------+---------------------+
| demo | 2008-10-03 22:59:52 |
+------+---------------------+
1 row in set (0.00 sec)
mysql>
**CAVEAT: IF...
Copy values from one column to another in the same table
... set str = '';
WHILE x < 5 DO
set str = (select source_col from emp where id=x);
update emp set target_col =str where id=x;
SET x = x + 1;
END WHILE;
END$$
DELIMITER ;
...
remove legend title in ggplot
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Since you may have more than one legends in a plot, a way to selectively remove just one of the titles without leaving an empty space is to set the name argument of the scale_ function to NULL, i.e.
scale_fill_discrete(name = NULL)
(kudos to @pascal for a comment on another thread)
...
How do I import the javax.servlet API in my Eclipse project?
...
Rightclick project and choose Properties.
In Targeted Runtimes section, select the integrated server.
Either way, Eclipse will then automatically take the servletcontainer's libraries in the build path. This way you'll be able to import and use the Servlet API.
Never carry around loose serv...
IntelliJ IDEA: Running a shell script as a Run/Debug Configuration
...part of Run/Debug Configuration that is called "Before Launch" and you can select your shell script in "Add External tool" option.
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Logging best practices [closed]
...e fine resolution of the recommended logger-per-class pattern for no other selectivity gain.
Failing to expose the optional Exception argument, leading to multiple problems:
It makes an exception logging policy even more difficult to maintain, so nothing is done consistently with exceptions.
Even...