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Optimise PostgreSQL for fast testing
... table, manipulating it however you need to, then doing an INSERT INTO ... SELECT ... to copy it to the final table. Note that temporary tables are per-session; if your session ends or you lose your connection then the temp table goes away, and no other connection can see the contents of a session's...
NoSql Crash Course/Tutorial [closed]
...uce...so let's create a map function do to the same as a bit of SQL code:
SELECT * FROM users WHERE age > 10
In CouchDB you provide the server with a JavaScript function that gets run against every item in the database...
function (doc)
{
if (doc.objType == "users") {
if (doc.age &...
How to add include path in Qt Creator?
...path>
If you are using your own build system, you create a project by selecting "Import of Makefile-based project". This will create some files in your project directory including a file named <your project name>.includes. In that file, simply list the paths you want to include, one per...
How do I add a Maven dependency in Eclipse?
...ries
In the window that appears, right-click on Global Repositories and select Go Into
Right-click on "central (http://repo.maven.apache.org/maven2)" and select "Rebuild Index"
Note that it will take a while to complete the download
Once indexing is complete, Right-click on the project -> ...
How to update Python?
... installations depending on how it was installed and the options that were selected during installation. If the .exe installer is used and the options to alter Windows PATH and Registry are not disabled, then any previous Python installations will be disabled, but simply uninstalling the Anaconda/Mi...
Convert hex color value ( #ffffff ) to integer value
...t was to change the Button's text color (Button_C) when I change the color selection from my Preferences (color_prefs).
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How to implement a queue with three stacks?
... bound of C
* K := B_u + C_u + 1
WLOG2, for an n such that |A(n)| > K, select K elements from Q(n). Suppose that 1 of those elements is in A(n + x), for all x >= 0, i.e. the element is always in stack A no matter how many queue operations are done.
X := that element
Then we can define
...
how to check and set max_allowed_packet mysql variable [duplicate]
...ass', 'dbname' );
// to get the max_allowed_packet
$maxp = $db->query( 'SELECT @@global.max_allowed_packet' )->fetch_array();
echo $maxp[ 0 ];
// to set the max_allowed_packet to 500MB
$db->query( 'SET @@global.max_allowed_packet = ' . 500 * 1024 * 1024 );
So if you've got a query you exp...
Dynamically adding a form to a Django formset with Ajax
...ice');
});
</script>
In a javascript file:
function cloneMore(selector, type) {
var newElement = $(selector).clone(true);
var total = $('#id_' + type + '-TOTAL_FORMS').val();
newElement.find(':input').each(function() {
var name = $(this).attr('name').replace('-' + (t...
Why not use always android:configChanges=“keyboardHidden|orientation”?
...any ways a configuration change can be triggered. For example, if the user selects a new language (i.e. the locale has changed), your activity will be restarted in the same way it does by an orientation change. If you want you can view a list of all the different types of config changes.
Edit: More...