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Print a file's last modified date in Bash
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Note that on OS X (Mac), it's stat -f "%m%t%Sm %N" filename (see man stat examples for more details)
– Olie
Oct 9 '14 at 23:45
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Insert/Update Many to Many Entity Framework . How do I do it?
...on of Classes. Since your StudentClass table only contains the Ids and no extra information, EF does not generate an entity for the joining table. That is the correct behaviour and that's what you expect.
Now, when doing inserts or updates, try to think in terms of objects. E.g. if you want to inse...
Fast way to get image dimensions (not filesize)
I'm looking for a fast way to get the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
In an array of objects, fastest way to find the index of an object whose attributes match a search
...you want search by 'field' attribute:
var elementPos = array.map(function(x) {return x.id; }).indexOf(idYourAreLookingFor);
var objectFound = array[elementPos];
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Merge Images Side by Side(Horizontally)
I have five images of sizes: 600x30, 600x30, 600x30, 600x30, 810x30. Their names are: 0.png, 1.png, 2.png, 3.png, 4.png, respectively.
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Rails detect if request was AJAX
... action I wish to only respond with processing if it was called from an AJAX request. How do I check?
5 Answers
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
...h in your ~/.bash_profile or ~/.profile file:
MYSQL=/usr/local/mysql/bin
export PATH=$PATH:$MYSQL
export DYLD_LIBRARY_PATH=/usr/local/mysql/lib:$DYLD_LIBRARY_PATH
If it is still not working (this work for me):
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dyl...
Cannot install node modules that require compilation on Windows 7 x64/VS2012
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Perfect! Fixed all my problems!
– hansmei
Apr 11 '15 at 17:38
2
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What is the best way to compute trending topics or tags?
...ites offer some statistics like "The hottest topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions.
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Use images instead of radio buttons
...visibility:hidden since such will impact accessibility)
Target the image next to the hidden radio using Adjacent sibling selector +
/* HIDE RADIO */
[type=radio] {
position: absolute;
opacity: 0;
width: 0;
height: 0;
}
/* IMAGE STYLES */
[type=radio] + img {
cursor: pointer;
}
/* C...