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How can I visualize per-character differences in a unified diff file?
...y; otherwise type M-x diff-mode RET), go to the hunk you are interested in and hit C-c C-b for refine-hunk. Or step through the file one hunk at a time with M-n; that will do the refining automatically.
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Pass correct “this” context to setTimeout callback?
...'t suggested in the original answer because it wasn't yet widely supported and you needed polyfills to use it but now it's everywhere:
if (this.options.destroyOnHide) {
setTimeout(function(){ this.tip.destroy() }.bind(this), 1000);
}
The bind function creates a new function with the this val...
How to get the current time in Python
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>>> print(datetime.datetime.now())
2009-01-06 15:08:24.789150
And just the time:
>>> datetime.datetime.now().time()
datetime.time(15, 8, 24, 78915)
>>> print(datetime.datetime.now().time())
15:08:24.789150
See the documentation for more information.
To save typing...
Get the client's IP address in socket.io
...t the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a bit of a different beast.
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Do we still need end slashes in HTML5?
... they do not need an end tag.
Void elements
area, base, br, col, command, embed, hr, img, input, keygen, link, meta, param, source, track, wbr
...
Void elements only have a start tag; end tags must not be specified for void elements.
W3C | WHATWG
That being said it's not strict parsi...
How to convert An NSInteger to an int?
... To be precise, I think NSInteger is an int on 32-bit platforms, and a long on 64-bit platforms.
– Frédéric Adda
Mar 11 '14 at 22:16
5
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converting a base 64 string to an image and saving it
... This is an excellent solution in my case where I was using mono on Linux and experienced some odd behavior with gdi+ in Image.Save. This solution completely bypasses Image / Gdi+ (See stackoverflow.com/questions/35783690/…)
– Jeff Albrecht
Mar 4 '16 at 4:18...
How to make a countdown timer in Android?
...wo EditTexts in XML. In one EditText, the user can put a number as minutes and in another EditText, a number as seconds. After clicking the finish button, the seconds EditText should start to countdown and update its text every second.
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WPF: Setting the Width (and Height) as a Percentage Value
...nt="Stretch" ...
That will make the Textbox element stretch horizontally and fill all the parent space horizontally (actually it depends on the parent panel you're using but should work for most cases).
Percentages can only be used with grid cell values so another option is to create a grid and p...
How to center horizontally div inside parent div
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I am assuming the parent div has no width or a wide width, and the child div has a smaller width. The following will set the margin for the top and bottom to zero, and the sides to automatically fit. This centers the div.
div#child {
margin: 0 auto;
}
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