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Best way to test for a variable's existence in PHP; isset() is clearly broken
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Ah ha! NOW you're talkin'! How would you do that for, say, class properties?
– chazomaticus
Jan 6 '09 at 21:23
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CSS @media print issues with background-color;
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and this is printing preview on chrome before adding !important
now, to know how to inject !important to div's style, check out this answer I'm unable to inject a style with an “!important” rule
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How can I completely remove TFS Bindings
...te or rename the Cache folder.
This come from a website I could not find now. Thanks for that guy for the tip.
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How does inheritance work for Attributes?
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Then test to see if it has the attribute...
MySubClassInstance <--- now has the MyUberAttribute with "Bob" as the SpecialName value.
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“An attempt was made to load a program with an incorrect format” even when the platforms are the sam
... Thanks a lot. This got me too. Checked build in Configuration Manager and now it works (WPF desktop application).
– Dan Gøran Lunde
May 24 '13 at 10:30
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Two divs, one fixed width, the other, the rest
...e left <div> anchored at left:0;right:250px, see this demo. I'll say now that this will not work in IE6 as only one corner of a <div> can be absolutely positioned on a page (see here for full explanation).
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Standard deviation of a list
... function _sum rather than the built-in sum which I've used in its place.
Now we have for example:
>>> mean([1, 2, 3])
2.0
>>> stddev([1, 2, 3]) # population standard deviation
0.816496580927726
>>> stddev([1, 2, 3], ddof=1) # sample standard deviation
0.1
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Create zip file and ignore directory structure
...The ../$(basename $PWD) is the magic that retains the parent directory.
So now unzip my.zip will give a folder containing all your files:
parent-directory
├── file1
├── file2
├── dir1
│ ├── file3
│ ├── file4
Instead of littering the current directory with the u...
Force drop mysql bypassing foreign key constraint
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Oh my, I feel so stupid now, I was substituting the word DATABASE with the actual name of the database instead of adding it afterwards, thanks both +1
– johnnyArt
Feb 20 '10 at 0:53
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Extracting bits with a single multiplication
... In the above case, your mask would be 00100100 and the result 00a00b00.
Now the hard part: turning that into ab.......
A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place.
Multip...