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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...y i) a;
count
10001
(1 row)
Time: 594,481 ms
http://www.pgsql.cz/index.php/PostgreSQL_SQL_Tricks_I
so be careful ... :)
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What is the result of % in Python?
...ch out if you are coming from a language with automatic type casting (like PHP or JS) where an expression like '12' % 2 + 3 is legal: in Python it will result in TypeError: not all arguments converted during string formatting which probably will be pretty confusing for you.
[update for Python 3]
Use...
Remove Server Response Header IIS7
...tFiltering> <denyUrlSequences> <add sequence="xmlrpc.php" /> </denyUrlSequences> </requestFiltering> </security> once I added "requestFiltering" server error appears. If i remove "requestFiltering " it works fine. I want to hide IIS and it's version d...
How do you dynamically add elements to a ListView on Android?
...ue;
String[] ListElements = new String[] {
"Android",
"PHP"
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listview = (ListView) findViewById(R.id....
What is the _snowman param in Ruby on Rails 3 forms for?
...characters). As a result, it's extremely common for Ruby applications (and PHP applications, etc. etc.) to exhibit this user-facing bug, and therefore extremely common for users to try to change the encoding as a palliative measure.
All that said, when I wrote this patch, I didn't realize that the ...
How to shrink/purge ibdata1 file in MySQL
...drop-database.html
You have probably seen this:
http://bugs.mysql.com/bug.php?id=1341
By using the command ALTER TABLE <tablename> ENGINE=innodb or OPTIMIZE TABLE <tablename> one can extract data and index pages from ibdata1 to separate files. However, ibdata1 will not shrink unless yo...
How to change the default encoding to UTF-8 for Apache?
...
In .htaccess add this line:
AddCharset utf-8 .html .css .php .txt .js
This is for those that do not have access to their server's conf file.
It is just one more thing to try when other attempts failed.
As far as performance issues regarding the use of .htaccess I have not seen t...
Can you make just part of a regex case-insensitive?
...le uses in various languages (wrapping the matches with angle brackets):
php - preg_replace("~(?i:foo)|BAR~", '<$0>', "fooFOOfOoFoOBARBARbarbarbAr") (demo)
python - re.sub(r'(?i:foo)|BAR', r'<\g<0>>', 'fooFOOfOoFoOBARBARbarbarbAr') (demo) (note Python re supports inline modifier ...
How to get an outline view in sublime texteditor?
... Sounds good. But nothing happens when I press ctrl-r. I have a php file open. Can I locate the command in a menu? Does this work without a plugin? karlthorwald
– user89021
Feb 6 '10 at 3:34
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How to check whether an object has certain method/property?
...much any modern dynamic scripting language (Python, Javascript, VB script, PHP, Lua... I could go on and on). It's not a bug, it's a feature.
– Tim Keating
Dec 3 '11 at 14:36
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