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How to use index in select statement?
...swer your specific question you have to specify the DB you are using.
For MySQL, you want to read the Index Hint Syntax documentation on how to do this
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...that wouldn't do. DESTDIR worked like a charm for getting things into buildroot.
– Mr Redstoner
Feb 11 at 11:45
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pip broke. how to fix DistributionNotFound error?
...
The root of the problem are often outdated scripts in the bin (Linux) or Scripts (Windows) subdirectory. I'll explain this using problem I encountered myself as an example.
I had virtualenv version 1.10 installed in my user site...
sendmail: how to configure sendmail on ubuntu? [closed]
...t the following, matching up to your smtp server:
AuthInfo:your.isp.net "U:root" "I:user" "P:password"
#Generate the Authentication database, make both files readable only by root
makemap hash client-info < client-info
chmod 600 client-info
cd ..
Add the following lines to sendmail.mc, but bef...
What is the difference between JOIN and UNION?
... subsets it -- completely different operations. Trivial example of UNION:
mysql> SELECT 23 AS bah
-> UNION
-> SELECT 45 AS bah;
+-----+
| bah |
+-----+
| 23 |
| 45 |
+-----+
2 rows in set (0.00 sec)
similary trivial example of JOIN:
mysql> SELECT * FROM
-> (SELECT...
When to use reinterpret_cast?
...ions to (IEEE 754) floats. One example of this was the Fast Inverse Square-Root trick:
https://en.wikipedia.org/wiki/Fast_inverse_square_root#Overview_of_the_code
It treats the binary representation of the float as an integer, shifts it right and subtracts it from a constant, thereby halving and n...
Command not found when using sudo
...un a command using sudo you are effectively running it as the superuser or root.
The reason that the root user is not finding your command is likely that the PATH environment variable for root does not include the directory where foo.sh is located. Hence the command is not found.
The PATH enviro...
How to load db:seed data into test database automatically?
... script. Therefore just execute that file to load the data.
load "#{Rails.root}/db/seeds.rb"
# or
Rails.application.load_seed
Where to place that depends on what testing framework you are using and whether you want it to be loaded before every test or just once at the beginning. You could put i...
How can I connect to Android with ADB over TCP? [closed]
...
Manual Process
From your device, if it is rooted
According to a post on xda-developers, you can enable ADB over Wi-Fi from the device with the commands:
su
setprop service.adb.tcp.port 5555
stop adbd
start adbd
And you can disable it and return ADB to listening on U...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
... can even do without it and put the JSP file directly in webcontent/webapp root, but I'm just taking over this from your question.
Set servlet URL in url-pattern
The servlet URL is specified as the "URL pattern" of the servlet mapping. It's absolutely not per definition the classname/filename of t...