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Black transparent overlay on image hover with only CSS?
...t;/div>
As for the CSS, set optional dimensions on the .image element, and relatively position it. If you are aiming for a responsive image, just omit the dimensions and this will still work (example). It's just worth noting that the dimensions must be on the parent element as opposed to the img...
Git merge reports “Already up-to-date” though there is a difference
I have a git repository with 2 branches: master and test.
15 Answers
15
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FileSystemWatcher Changed event is raised twice
I have an application where I am looking for a text file and if there are any changes made to the file I am using the OnChanged eventhandler to handle the event. I am using the NotifyFilters.LastWriteTime but still the event is getting fired twice. Here is the code.
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PHP Fatal error: Using $this when not in object context
...ot point to $this->foo. It references a class constant. Both, self::foo and self::$foo would raise a Fatal Error.
– Gordon
Feb 28 '10 at 12:34
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Key existence check in HashMap
...ue. If you definitely don't have null values in the map, just get is fine, and avoids doing two look-ups when you need the value as well.
– Jon Skeet
Apr 11 '18 at 14:33
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Most efficient T-SQL way to pad a varchar on the left to a certain length?
...right('XXXXXXXXXXXX'+ rtrim(@str), @n)
where X is your padding character and @n is the number of characters in the resulting string (assuming you need the padding because you are dealing with a fixed length).
But as I said you should really avoid doing this in your database.
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Dump a NumPy array into a csv file
...there a way to dump a NumPy array into a CSV file? I have a 2D NumPy array and need to dump it in human-readable format.
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How to make Google Chrome JavaScript console persistent?
...I need to track the changes between pages, ie. Ajax calls, POST, GET stuff and similar stuff.
5 Answers
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Iterating over a numpy array
...implementation of ndenumerate, which does 2 things, converting to an array and looping. If you know you have an array, you can call the .coords attribute of the flat iterator.
a = X.flat
%timeit list([(a.coords, x) for x in a.flat])
1 loop, best of 3: 305 ms per loop
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How to perform case-insensitive sorting in JavaScript?
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True and thanks. I wrote this with clarity in mind, not performance. I guess I should note that.
– ron tornambe
Aug 6 '13 at 19:00
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