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In Django, how does one filter a QuerySet with dynamic field lookups?
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Android Preferences: How to load the default values when the user hasn't used the preferences-screen
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How to check status of PostgreSQL server Mac OS X
...
The simplest way to to check running processes:
ps auxwww | grep postgres
And look for a command that looks something like this (your version may not be 8.3):
/Library/PostgreSQL/8.3/bin/postgres -D /Library/PostgreSQL/8.3/data
To start the server, execute something like th...
How do I check if a type is a subtype OR the type of an object?
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How to delete an old/unused Data Model Version in Xcode
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
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How to check file MIME type with javascript before upload?
...* @param {Function} callback Callback with the result
* @author Victor www.vitim.us
* @date 2017-03-23
*/
function loadMime(file, callback) {
//List of known mimes
var mimes = [
{
mime: 'image/jpeg',
pattern: [0xFF, 0xD8, 0xFF],
...
Can you list the keyword arguments a function receives?
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PostgreSQL create table if not exists
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Is 0 a decimal literal or an octal literal?
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