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Is there a builtin identity function in python?
...is none, a feature was asked in issue 1673203 And from Raymond Hettinger said there won't be:
Better to let people write their own trivial pass-throughs
and think about the signature and time costs.
So a better way to do it is actually (a lambda avoids naming the function):
_ = lambda *args...
Using CSS to affect div style inside iframe
Is it possible to change styles of a div that resides inside an iframe on the page using CSS only?
13 Answers
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Equivalent of LIMIT and OFFSET for SQL Server?
...antage here is the parameterization of the offset and limit in case you decide to change your paging options (or allow the user to do so).
Note: the @Offset parameter should use one-based indexing for this rather than the normal zero-based indexing.
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Detect when browser receives file download
...figure out how to detect when the browser has received the file, so I can hide the indicator.
22 Answers
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jQuery Ajax POST example with PHP
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Basic usage of .ajax would look something like this:
HTML:
<form id="foo">
<label for="bar">A bar</label>
<input id="bar" name="bar" type="text" value="" />
<input type="submit" value="Send" />
</form>
jQuery:
// Variable to hold request
var...
Image Greyscale with CSS & re-color on mouse-over?
...ge/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 3.5+ */
filter: g...
How to tell if a tag failed to load
...
But the timeout has to be provided by the page's coder right? So the coder might choose a different timeout to the browser, assume the script load timed out, and then have it succeed a bit later. Or not?
– hippietrail
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Embed SVG in SVG?
...ence your SVG file. For fun, save the following as recursion.svg:
<svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1"
xmlns="http://www.w3.org/2000/svg">
<circle cx="-50" cy="-50" r="30" style="fill:red" />
<image x="10" y="20" width="80" height="80" hre...
Scale Image to fill ImageView width and keep aspect ratio
I have a GridView . The data of GridView is request from a server.
16 Answers
16
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TypeScript: casting HTMLElement
...t do:
var script = (<HTMLScriptElement[]>document.getElementsByName(id))[0];
You get the error
Cannot convert 'NodeList' to 'HTMLScriptElement[]'
But you can do :
(<HTMLScriptElement[]><any>document.getElementsByName(id))[0];
...