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How to write character & in android strings.xml
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for Ⓡ symbol use ® and trademark ™ symbol ™
– Deepak
Jun 19 '17 at 10:04
add a comment
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Any way to clear python's IDLE window?
...n console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
25 Answers
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SQL update query using joins
... gm.ManufacturerID = mm.ManufacturerID
WHERE im.mf_item_number like 'STA%' AND
gm.manufacturerID = 34
To make it clear... The UPDATE clause can refer to an table alias specified in the FROM clause. So im in this case is valid
Generic example
UPDATE A
SET foo = B.bar
FROM TableA A
JOIN TableB ...
Remove DEFINER clause from MySQL Dumps
...them after the dump file is created.
Open the dump file in a text editor and replace all occurrences of DEFINER=root@localhost with an empty string ""
Edit the dump (or pipe the output) using perl:
perl -p -i.bak -e "s/DEFINER=\`\w.*\`@\`\d[0-3].*[0-3]\`//g" mydatabase.sql
Pipe the output throug...
Is there a more elegant way of adding an item to a Dictionary safely?
... Add if the existence of the key indicates a bug (so you want it to throw) and the indexer otherwise. (It's a bit like the difference between casting and using as for reference conversions.)
If you're using C# 3 and you have a distinct set of keys, you can make this even neater:
var currentViews =...
How to programmatically cause a core dump in C/C++
...>
: : :
raise (SIGABRT);
Calling abort() will also cause a core dump, and you can even do this without terminating your process by calling fork() followed by abort() in the child only - see this answer for details.
shar...
Call a function with argument list in python
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To expand a little on the other answers:
In the line:
def wrapper(func, *args):
The * next to args means "take the rest of the parameters given and put them in a list called args".
In the line:
func(*args)
The * next t...
Setting element of array from Twig
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@falinsky You're right. . and [] are very similar in Twig and I was wrong. I looked it up and edited my answer.
– Paul
Feb 24 '12 at 14:54
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Why can't I use a list as a dict key in python?
...nt's values, for instance when checking (in-)equality. Many would - understandably - expect that you can use any list [1, 2] to get the same key, where you'd have to keep around exactly the same list object. But lookup by value breaks as soon as a list used as key is modified, and for lookup by iden...
an htop-like tool to display disk activity in linux [closed]
I am looking for a Linux command-line tool that would report the disk IO activity. Something similar to htop would be really cool. Has someone heard of something like that?
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