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How to check if a user is logged in (how to properly use user.is_authenticated)?
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530
Update for Django 1.10+:
is_authenticated is now an attribute in Django 1.10.
The method was re...
How to add include path in Qt Creator?
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232
If you are using qmake, the standard Qt build system, just add a line to the .pro file as docum...
How to completely remove a dialog on close
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lomaxxlomaxx
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How to check if a file exists from inside a batch file [duplicate]
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3 Answers
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How to instantiate a File object in JavaScript?
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According to the W3C File API specification, the File constructor requires 2 (or 3) parameters.
So to create a empty file do:
var f = new File([""], "filename");
The first argument is the data provided as an array of lines of text;
The se...
How to send a PUT/DELETE request in jQuery?
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939
You could use the ajax method:
$.ajax({
url: '/script.cgi',
type: 'DELETE',
succes...
Generate a random date between two other dates
...prop(start, end, '%m/%d/%Y %I:%M %p', prop)
print(random_date("1/1/2008 1:30 PM", "1/1/2009 4:50 AM", random.random()))
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...er, somedata text);
INSERT INTO newvals(id, somedata) VALUES (2, 'Joe'), (3, 'Alan');
LOCK TABLE testtable IN EXCLUSIVE MODE;
UPDATE testtable
SET somedata = newvals.somedata
FROM newvals
WHERE newvals.id = testtable.id;
INSERT INTO testtable
SELECT newvals.id, newvals.somedata
FROM newvals
LEFT...
Eclipse error: indirectly referenced from required .class files?
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answered Apr 5 '11 at 5:39
Arne DeutschArne Deutsch
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