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What are the best practices for using a GUID as a primary key, specifically regarding performance?
...UID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, but I was thinking of using a Composite Primary Key (The GUID and maybe another field.)
...
Regular expression to match URLs in Java
...rentheses, separated by spaces, dots, or dashes.
* <li>A string starting and ending with a digit, containing digits, spaces, dots, and/or dashes.
* </ul>
*/
public static final Pattern PHONE
= Pattern.compile( // sdd = space, dot, or dash
...
Node.js Unit Testing [closed]
...
If I was starting a new project now I'd probably use Mocha as the test framework
– evilcelery
Nov 6 '12 at 16:30
1...
Android device chooser - My device seems offline
...er the problem is in adb or the device but I usually do the following:
Restart adb by issuing 'adb kill-server' followed by 'adb start-server' at a cmd prompt
Disable and re-enable USB debugging on the phone
Rebooting the phone if it still doesn't work.
99% of my issues have been resolved with t...
how to get last insert id after insert query in codeigniter active record
...id;
}
In case of multiple inserts you could use
$this->db->trans_start();
$this->db->trans_complete();
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How to go back to previous page if back button is pressed in WebView?
...wise when the user presses back too many times they end up at a blank app "start" screen, with no option for the user to move forward.
– George Armhold
Nov 12 '12 at 16:49
1
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What's the difference between MyISAM and InnoDB? [duplicate]
...ement values (it resets them to the highest ids in the tables when MySQL restarts). So if you use InnoDB and you need unique ids, you need to implement a workaround (e.g. keep the latest ids in a separate table).
– Finesse
Feb 10 '18 at 3:43
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How to zero pad a sequence of integers in bash so that all have the same width?
...
Use awk like this:
awk -v start=1 -v end=10 'BEGIN{for (i=start; i<=end; i++) printf("%05d\n", i)}'
OUTPUT:
00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
Update:
As pure bash alternative you can do this to get same output:
for ...
How do I run a program with a different working directory from current, from Linux shell?
Using a Linux shell , how do I start a program with a different working directory from the current working directory?
11 A...
NUnit isn't running Visual Studio 2010 code
... run a test dll built for .NET 4.0.
Under <configuration> add:
<startup>
<supportedRuntime version="v4.0.30319" />
</startup>
and under <runtime> add:
<loadFromRemoteSources enabled="true" />
...