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List All Redis Databases
...the databases for which some keys are defined:
INFO keyspace
# Keyspace
db0:keys=10,expires=0
db1:keys=1,expires=0
db3:keys=1,expires=0
Please note that you are supposed to use the "redis-cli" client to run these commands, not telnet. If you want to use telnet, then you need to run these commands...
Javascript add leading zeroes to date
I've created this script to calculate the date for 10 days in advance in the format of dd/mm/yyyy:
24 Answers
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Check if UIColor is dark or bright?
...o use is ((Red value * 299) + (Green value * 587) + (Blue value * 114)) / 1000.
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How do I retrieve the number of columns in a Pandas data frame?
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edited Nov 30 '13 at 7:22
answered Nov 30 '13 at 7:11
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How do I properly compare strings in C?
...ngs using != or ==, you need to use strcmp:
while (strcmp(check,input) != 0)
The reason for this is because != and == will only compare the base addresses of those strings. Not the contents of the strings themselves.
shar...
How does one make a Zip bomb?
...ompressed data, containing nine
layers of nested zip files in sets of
10, each bottom layer archive
containing a 1.30 gigabyte file for a
total of 1.30 exabytes of uncompressed
data.
So all you need is one single 1.3GB file full of zeroes, compress that into a ZIP file, make 10 copies, p...
Google Maps API v3: How do I dynamically change the marker icon?
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answered Dec 21 '09 at 17:01
Sudhir JonathanSudhir Jonathan
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How do you log all events fired by an element in jQuery?
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edited Jul 30 '13 at 11:32
Ian Clark
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Add UIPickerView & a Button in Action sheet - How?
...ableViewController *)[[navigationController viewControllers] objectAtIndex:0];
tableViewController.tableData = self.statesArray;
tableViewController.navigationItem.title = @"States";
tableViewController.delegate = self;
[self presentViewController:navigationController animated:YES completion:nil];
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Why is setTimeout(fn, 0) sometimes useful?
...locks the updating of the DOM.
Your workaround was:
setTimeout(callback, 0)
Invoking setTimeout with a callback, and zero as the second argument will schedule the callback to be run asynchronously, after the shortest possible delay - which will be around 10ms when the tab has focus and the JavaS...