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How to test chrome extensions?
...e.tabs.query` to return predefined response
chrome.tabs.query.yields([
{id: 1, title: 'Tab 1'},
{id: 2, title: 'Tab 2'}
]);
// 2. inject our mocked chrome.* api into some environment
const context = {
chrome: chrome
};
// 3. run our extension code in this environment
const code = fs.readFi...
Why is std::map implemented as a red-black tree?
... Rebalancing is again done either throuh a single or double rotation. This means a worst case of 2.4logn. One can get away with 2 times instead of 3, a much better ratio, but it may mean leaving a little less thant 1% of the subtrees unbalanced here and there. Tricky!
Which type of tree is the best...
How to suppress “unused parameter” warnings in C?
...ter with the unused attribute.
This attribute, attached to a variable, means that the variable is
meant to be possibly unused. GCC will not produce a warning for this
variable.
In practice this is accomplished by putting __attribute__ ((unused)) just before the parameter. For example:
voi...
How do I create a PDO parameterized query with a LIKE statement?
...happens in the database after the placeholder has been substituted, and it means named placeholders can be used. It's worth mentioning that the above syntax is for Oracle - in MySQL the syntax is LIKE CONCAT('%', :something, '%'). Reference: stackoverflow.com/a/661207/201648
– ...
How random is JavaScript's Math.random?
...
Your idea of randomness meaning perfectly and evenly distributed is intriguing...
– Roger Pate
Jun 30 '09 at 10:34
19
...
Copy files without overwrite
...
What does ~nx in %~nxF exactly mean?
– Serge Rogatch
Aug 27 '16 at 17:21
@...
Make outer div be automatically the same height as its floating content
...I dont want to use style='height: 200px in the div with the outerdiv id as I want it to be automatically the height of its content (eg, the floating div s).
...
How do I specify “close existing connections” in sql script
...rop the database with existing connections may look like this:
DECLARE @dbId int
DECLARE @isStatAsyncOn bit
DECLARE @jobId int
DECLARE @sqlString nvarchar(500)
SELECT @dbId = database_id,
@isStatAsyncOn = is_auto_update_stats_async_on
FROM sys.databases
WHERE name = 'db_name'
IF @isStatAsy...
Why is === faster than == in PHP?
...
@Marco, when I say "empirical study", I mean it's based on experience, eg: running code instead of making an argument using only reason (or what's in your mind), without an experiment to back it up. Salman A values suggest === is equally sometimes a bit faster and...
How do I create a slug in Django?
... b b")
u'b-b-b-b'
>>>
You can call slugify automatically by overriding the save method:
class Test(models.Model):
q = models.CharField(max_length=30)
s = models.SlugField()
def save(self, *args, **kwargs):
self.s = slugify(self.q)
super(Test, self).save(*ar...