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What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...inds of images(or even most). Corners and straight lines and plain "fills"(blocks of solid color) will appear blurry or have artifacts in them depending on the compression level. It is a lossy format, and works best for photographs where you can't see artifacts clearly. Straight lines(such as in dra...
How can I set the Secure flag on an ASP.NET Session Cookie?
...ver, if you have a <forms> element in your system.web\authentication block, then this will override the setting in httpCookies, setting it back to the default false.
In that case, you need to add the requireSSL="true" attribute to the forms element as well.
So you will end up with:
<syst...
How are 3D games so efficient? [closed]
...like an insanely complex 3d world in the game is often fairly simple large blocks covered with a detailed picture. A lot of the '3d' is clever shadow and perspective artistic effects in a static 2d image drawn on the 3d shape
– Martin Beckett
Feb 7 '10 at 19:02...
Can't pickle when using multiprocessing Pool.map()
...
@Rika: Yes. blocking, iterative, and async maps are available.
– Mike McKerns
May 5 at 12:37
...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
... or throw it up the StackTrace
// we do not need a finally-block to close the connection since it will be closed implicitely in an using-statement
throw;
}
}
}
return promo;
}
...
What is the difference between a symbolic link and a hard link?
...to a new inode (which contains the metadata for the file and points to the blocks of data that contain its contents, i.e. the text "Hello, World!":
$ echo 'Hello, World!' > myfile.txt
Create a hard link my-hard-link to the file myfile.txt, which means "create a file that should point to the sam...
Pointers in Python?
...ptually (not necessarily in implementation), "a = 1" doesn't overwrite the block of memory named "a" with 1; it assigns a name "a" to the already-existing object "1", which is fundamentally different than what happens in C. That's why pointers as a concept can't exist in Python--they'd become stale...
LINQ Aggregate algorithm explained
...
As a sidenote on the addendum, the whole block could easily be replaced by var csv = string.Join(",", chars) (no need of aggregate or stringbuilders) - but yeah, I know the point of the answer was to give example usage of aggregate so it's cool. But I still wanted t...
How to overlay one div over another div
...e .wrapper element
*/
#infoi {
position: relative;
display: inline-block;
top: -40px;
left: calc(100% - 52px);
/*
* Styling only, the below can be changed or removed
* depending on your use case
*/
height: 20px;
padding: 10px 10px;
}
<div class="navi"><...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...y longer. I have experienced a few issues still. Basically, this sometimes blocks and fails. Rebooting the SPP-Device (plug off / plug in) helps in such cases. Sometimes I also get another Pairing request after connect() even when the device is already bonded.
UPDATE:
here is a complete class, con...