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How to install multiple python packages at once using pip
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For installing multiple packages on the command line, just pass them as a space-delimited list, e.g.:
pip install wsgiref boto
For installing from a text file, then, from pip install --help:
-r FILENAME, --requirement=FILENAME
Install all the packages listed in t...
How do I set up NSZombieEnabled in Xcode 4?
...rsions of 4 -- 4.3.x for sure, maybe earlier), this is CMD-< (CMD-SHIFT-comma), or Product -> Scheme -> Edit SCheme...
– Olie
Oct 2 '13 at 20:32
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How to clear an ImageView in Android?
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ConcurrentHashMap vs Synchronized HashMap
...rticle Java 7: HashMap vs ConcurrentHashMap is a very good read. Highly recommended.
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How to count duplicate value in an array in javascript
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if (cnt > 0) {
document.write(current + ' comes --> ' + cnt + ' times<br>');
}
current = array_elements[i];
cnt = 1;
} else {
cnt++;
}
}
if (cnt > 0) {
document.write...
rejected master -> master (non-fast-forward)
... Auto-merging README.md Automatic merge failed; fix conflicts and then commit the result.
– Asantoya17
Jul 27 '12 at 22:30
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iOS application: how to clear notifications?
... cancelAllLocalNotifications is Deprecated - developer.apple.com/documentation/uikit/uiapplication/… You need to use let center = UNUserNotificationCenter.current() center.removeAllDeliveredNotifications() // To remove all delivered notifications stackoverflow.com/a/40397907/11556...
How do you tell the Visual Studio project type from an existing Visual Studio project
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Here is a list you can use to compare the Guid's to get project types: codeproject.com/Reference/720512/…
– Nathan F.
Jul 26 '18 at 16:31
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How do I sort a list of dictionaries by a value of the dictionary?
...mgetter
newlist = sorted(list_to_be_sorted, key=itemgetter('name'))
For completeness (as pointed out in comments by fitzgeraldsteele), add reverse=True to sort descending
newlist = sorted(l, key=itemgetter('name'), reverse=True)
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How to list all the available keyspaces in Cassandra?
...milies which contains information about all tables.
The DESCRIBE and SHOW commands only work in cqlsh and cassandra-cli.
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