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Test if a variable is set in bash when using “set -o nounset”
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How about a oneliner?
[ -z "${VAR:-}" ] && echo "VAR is not set or is empty" || echo "VAR is set to $VAR"
-z checks both for empty or unset variable
s...
Web API Put Request generates an Http 405 Method Not Allowed error
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after more than 8 hours of work reach to solution, every one is recommending web.config changes its so amazing no body even did not talk about this possibility .
– sairfan
Oct 29 '18 at 21:00
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How to highlight text using javascript
Can someone help me with a javascript function that can highlight text on a web page.
And the requirement is to - highlight only once, not like highlight all occurrences of the text as we do in case of search.
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AutoMapper: “Ignore the rest”?
... there a way to tell AutoMapper to ignore all of the properties except the ones which are mapped explicitly?
17 Answers
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Android -Starting Service at Boot Time
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Nope, but you must run the application at least one since android 3.0
– Vladimir Ivanov
Jun 23 '15 at 15:17
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Check if table exists in SQL Server
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Given that an object name alone (that is, without a schema) is not guaranteed to be unique, there is no 100% failsafe way to do this. If you are working with a DB that has no naming conflicts across schemas then simply omitting the "TABLE_SCHEMA = 'The...
How to use web-fonts legally? [closed]
...heir copyright notices removed.
If you want to make sure, buy a font from one of the large foundries like fonts.com or myfonts.com. Make sure you read their license. For example, if you buy a font, you are almost always free to use it in print products, on graphics on your web site, etc., but you a...
How to print a string in fixed width?
...ls module. For example you could obtain a list of all your combinations in one line with:
>>> [''.join(perm) for i in range(1, len(s)) for perm in it.permutations(s, i)]
['a', 'b', 'c', 'd', 'ab', 'ac', 'ad', 'ba', 'bc', 'bd', 'ca', 'cb', 'cd', 'da', 'db', 'dc', 'abc', 'abd', 'acb', 'acd',...
What does it mean if a Python object is “subscriptable” or not?
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A scriptable object is an object that records the operations done to it and it can store them as a "script" which can be replayed.
For example, see: Application Scripting Framework
Now, if Alistair didn't know what he asked and really meant "subscriptable" objects (as edited by others...
C# Float expression: strange behavior when casting the result float to int
...ided it's free to use the best numerical type, and to save precision it's gone for double (maybe). (also would explain IL being the same)
– George Duckett
Jan 18 '12 at 14:29
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