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select into in mysql
I am a MSSQL user and now I am converting my database to MySQL. I am writing the following query in MySQL:
2 Answers
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Remove unwanted parts from strings in a column
...a number such as the number 12? If I do x.lstrip('12') it takes out all 1 and 2s.
– Dave
Oct 26 '16 at 21:19
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How to track child process using strace?
...ending thread, I had to tediously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
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jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]
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In order of activity, demos/examples available, and simplicity:
(demo) https://github.com/yairEO/tagify
(demo) https://github.com/aehlke/tag-it
(demo) http://ioncache.github.com/Tag-Handler/
(demo) http://textextjs.com/
(demo) https://github.com/webworka/Tagedit
(demo) h...
new DateTime() vs default(DateTime)
...s must be compile-time constants, which MinValue is not. default(DateTime) and new DateTime() are both valid though.(which is actually funny, because const DateTime x = default(DateTime) is not valid, since DateTime values cannot be declared as compile-time constants)
– Jerri K...
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
During my work with databases I noticed that I write query strings and in this strings I have to put several restrictions in the where-clause from a list/array/collection. Should look like this:
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VS2013 permanent CPU usage even though in idle mode
I've recently updated VS2013 to Update 1 and since then VS takes CPU usage to 25% (on a 4 cores intel i5 cpu) permanently even though it's supposed to be idle. I thought it has some unfinished background processes so I left it running for a while but it keeps using the cpu when it's supposed to be i...
How to unzip a list of tuples into individual lists? [duplicate]
...want to unzip this list into two independent lists. I'm looking for some standardized operation in Python.
2 Answers
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What is the best way to count “find” results?
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find <expr> -type f -printf '.' | wc -c
It will be more reliable and faster than counting the lines.
Note that I use the find's printf, not an external command.
Let's bench a bit :
$ ls -1
a
e
l
ll.sh
r
t
y
z
My snippet benchmark :
$ time find -type f -printf '.' | wc -c
8
real ...
How do you run JavaScript script through the Terminal?
... script - exactly as you do for Python, though the latter ships with the standard distribution.
If you have Rhino (or alternative) installed and on your path, then running JS can indeed be as simple as
> rhino filename.js
It's worth noting though that while JavaScript is simply a language in ...