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Creating the Singleton design pattern in PHP5
.../en/language.variables.scope.php#language.variables.scope.static to understand static variable scopes and why setting static $inst = null; works.
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Eclipse: Exclude specific packages when autocompleting a class name
...ble to specify there the packages you do not want to see.
See Java Tips and Tricks
To exclude certain types from appearing in content assist, use the type filter feature configured on the Java > Appearance > Type Filters preference page.
Types matching one of these filter patterns wil...
how to use python to execute a curl command
I want to execute a curl command in python.
7 Answers
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Doctrine - How to print out the real sql, not just the prepared statement?
...t, for it to be prepared (this is what is returned by $query->getSql())
And, then, sending the parameters (returned by $query->getParameters())
and executing the prepared statements
This means there is never a "real" SQL query on the PHP side — so, Doctrine cannot display it.
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Refactoring in Vim
...ore to do with regular replacements I usually use :grep on my project tree and then record a macro to do the refactor - :g and :s are no brainers. Usually it'll let me quickly modify a large number of files with very little effort. Honestly, I use this method more than any other.
Depending on your ...
How to enable cURL in PHP / XAMPP
...uncomment the line
;extension=php_curl.dll
in xampp\apache\bin\php.ini, and then restart the Apache service.
NB: In newer XAMPP versions, PHP has moved to root xampp folder xampp\php\php.ini.
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Semaphore vs. Monitors - what's the difference?
What are the major differences between a Monitor and a Semaphore ?
6 Answers
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How to iterate through a DataTable
....Text = row["ImagePath"].ToString();
}
...assumes the connection is open and the command is set up properly. I also didn't check the syntax, but it should give you the idea.
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Center a popup window on screen?
...: It will also work on windows that aren't maxed out to the screen's width and height now thanks to @Frost!
If you're on dual monitor, the window will center horizontally, but not vertically... use this function to account for that.
const popupCenter = ({url, title, w, h}) => {
// Fixes dua...
SQLite - replace part of a string
...perform a string replace in a query.
Other string manipulation functions (and more) are detailed in the SQLite core functions list
The following should point you in the right direction.
UPDATE table SET field = replace( field, 'C:\afolder\', 'C:\anewfolder\' ) WHERE field LIKE 'C:\afolder\%';
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