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How can I check a C# variable is an empty string “” or null? [duplicate]
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Very simple and useful. I wish PHP could have something like this
– Andrew Liu
Dec 17 '15 at 5:23
6
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How to merge two files line by line in Bash
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the J option does not work on macOS Mojave but your command does perfectly. Thanks.
– Duck
Dec 27 '18 at 15:51
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Getting current unixtimestamp using Moment.js
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Not valid anymore. See @kumar chandraketu answer below.
– kaiser
Feb 16 at 6:19
1
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Is there a “default” MIME type?
...eally add anything over this, except to confuse clients who don't support random unofficial MIME types. Ditto for application/binary; it's just a non-standard way of restating "octet-stream".
This is the answer to "What can I put in the Content-Type: header if I can't find an existing content type...
How can I use pickle to save a dict?
...ort pickle
a = {'hello': 'world'}
with open('filename.pickle', 'wb') as handle:
pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL)
with open('filename.pickle', 'rb') as handle:
b = pickle.load(handle)
print a == b
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cancelling queued performSelector:afterDelay calls
...selector(mySel:) withObject:nil afterDelay:5.0];
// cancel the above call (and any others on self)
[NSObject cancelPreviousPerformRequestsWithTarget:self];
See apple docs, it's right at the end of the performSelector:withObject:afterDelay: description.
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Ruby max integer
...'s 32bits even in 64bit ruby on windows (cygwin has proper 64bit on other hand)
– graywolf
Jan 21 '18 at 15:15
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Best way to create enum of strings?
... as the constructor is private. Essentially, object creation is prohibited and final is not really necessary in this case.
– Buhake Sindi
Apr 15 '13 at 14:46
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How can I check the size of a collection within a Django template?
... |length I always get confused with jinja templating in Flask and with django. Thanks for the information. Really helpful.
– Doogle
Jul 29 '18 at 9:42
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Change cursor to hand when mouse goes over a row in table
How do I change the cursor pointer to hand when my mouse goes over a <tr> in a <table>
11 Answers
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