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How do I get both STDOUT and STDERR to go to the terminal and a log file?
...;(tee -a $HOME/logfile) 2>&1
# Test redirection of STDOUT
echo test_stdout
# Test redirection of STDERR
ls test_stderr___this_file_does_not_exist
(Note: This only works with Bash. It will not work with /bin/sh.)
Adapted from here; the original did not, from what I can tell, catch STDE...
Pandas: drop a level from a multi-level column index?
...
You can use MultiIndex.droplevel:
>>> cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
>>> df = pd.DataFrame([[1,2], [3,4]], columns=cols)
>>> df
a
b c
0 1 2
1 3 4
[2 rows x 2 columns]
>>> df.columns = df.columns.droplevel()
>>>...
How to see full query from SHOW PROCESSLIST
...t 'INFO' column which contains the whole query :
select * from INFORMATION_SCHEMA.PROCESSLIST where db = 'somedb';
You can add any condition or ignore based on your requirement.
The output of the query is resulted as :
+-------+------+-----------------+--------+---------+------+-----------+----...
How to force cp to overwrite without confirmation
...witch back to Gnome wooed me after Nvidia killed my Fedora install. I'm ¯\_(ツ)_/¯ about it.
– Ray Foss
Jan 21 '18 at 6:35
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Convert Unix timestamp to a date string
...standard Perl solution is:
echo $TIMESTAMP | perl -nE 'say scalar gmtime $_'
(or localtime, if preferred)
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How do I clear the terminal screen in Haskell?
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@Pradeep: No need to shout. (See en.wikipedia.org/wiki/All_caps#Internet )
– Jared Updike
Mar 18 '10 at 18:57
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Django datetime issues (default=datetime.now())
...mplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=True, blank=True)
or
date = models.DateTimeField(default=datetime.now, blank=True)
The difference between the second example and what you currently have is the lack of parentheses. By passing datetime.now withou...
Sort JavaScript object by key
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@Phil_1984_ This answer and top voted answer are very different. OP's question was how to sort an object literal. Top voted answer says you can't, then gives a workaround by storing sorted keys in an array, then iterating and prin...
How can I create a UILabel with strikethrough text?
...for strikethrough Enable/Disable.
extension UILabel {
func strikeThrough(_ isStrikeThrough:Bool) {
if isStrikeThrough {
if let lblText = self.text {
let attributeString = NSMutableAttributedString(string: lblText)
attributeString.addAttribute(NSAttributedString...
What is the difference between pull and clone in git?
...nswered Jan 9 '19 at 14:09
Raman_1059Raman_1059
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