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Why does JQuery have dollar signs everywhere?
I am working on a project with quite a lot of JQuery in it. The JQuery has a lot of $ signs everywhere, for example
7 Answ...
How is mime type of an uploaded file determined by browser?
...erver-side, I am checking the mime type of the uploaded file, to make sure it is application/x-zip-compressed or application/zip .
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Why are these constructs using pre and post-increment undefined behavior?
...havior when the code is run.
As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers wanted there to be some leeway in the semantics, instead of i.e. requiring that all implementations handle integer ...
How do I remove a substring from the end of a string in Python?
...ny characters in that set from the ends of x.
Instead, you could use endswith and slicing:
url = 'abcdc.com'
if url.endswith('.com'):
url = url[:-4]
Or using regular expressions:
import re
url = 'abcdc.com'
url = re.sub('\.com$', '', url)
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What would a “frozen dict” be?
I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
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What is the behavior of integer division?
...egers are divided, the result of the / operator is the algebraic quotient with any
fractional part discarded.88) If the quotient a/b is representable, the expression
(a/b)*b + a%b shall equal a.
and the corresponding footnote:
88) This is often called ‘‘truncation toward zero’’.
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Optimal settings for exporting SVGs for the web from Illustrator?
I'm looking to use an SVG logo for a website — to make it look great on a responsive design for all devices.
2 Answers
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How to parse JSON using Node.js? [closed]
...
You can simply use JSON.parse.
The definition of the JSON object is part of the ECMAScript 5 specification. node.js is built on Google Chrome's V8 engine, which adheres to ECMA standard. Therefore, node.js also has a global object JSON[docs].
Note - JSON.parse ca...
What should I do when 'svn cleanup' fails?
...follow
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edited Jan 9 '18 at 21:26
Peter Mortensen
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Remove a fixed prefix/suffix from a string in Bash
In my bash script I have a string and its prefix/suffix. I need to remove the prefix/suffix from the original string.
9 A...