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How many concurrent requests does a single Flask process receive?
...instruction* at a time.
Namely, the CPU can only execute a very limited set of instructions, and it can't execute more than one instruction per clock tick (many instructions even take more than 1 tick).
Therefore, most concurrency we talk about in computer science is software concurrency.
In oth...
Cannot read configuration file due to insufficient permissions
... that when you're trying to find this user check the location it should be set to local computer and not a corporate domain.
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What is the difference between inversedBy and mappedBy?
...rom Eloquent, this helped me greatly. my only sticking point now is how to set the setter/getter for this, I'm still learning the ropes on it
– Eman
May 25 '17 at 3:01
1
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Which characters need to be escaped in HTML?
...encoding. For help understanding
how to do that with your application read Setting encoding in web
authoring applications.
Invisible or ambiguous characters:
A particularly useful role for escapes is to represent characters that
are invisible or ambiguous in presentation.
One example would be Unicod...
How can I check if a file exists in Perl?
...racter special file.
-t
Filehandle is opened to a tty.
-u
File has setuid bit set.
-g
File has setgid bit set.
-k
File has sticky bit set.
-T
File is an ASCII or UTF-8 text file (heuristic guess).
-B
File is a “binary” file (opposite of -T).
-M
Script start time minus...
Browsers' default CSS for HTML elements
...lt W3C HTML4 spec:
html, address,
blockquote,
body, dd, div,
dl, dt, fieldset, form,
frame, frameset,
h1, h2, h3, h4,
h5, h6, noframes,
ol, p, ul, center,
dir, hr, menu, pre { display: block; unicode-bidi: embed }
li { display: list-item }
head { display: none }
table ...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
... above structure:
X – The type of the input variables value you want to set to the background process. This can be an array of objects.
Y – The type of the objects you are going to enter in the onProgressUpdate method.
Z – The type of the result from the operations you have done in the ba...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...FTWARE\Microsoft\DevDiv\vc\Servicing\11.0\RuntimeMinimum\Install should be set to 1
– Alex Spence
Jun 27 '13 at 20:43
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How to create a unique index on a NULL column?
...
Strictly speaking, a unique nullable column (or set of columns) can be NULL (or a record of NULLs) only once, since having the same value (and this includes NULL) more than once obviously violates the unique constraint.
However, that doesn't mean the concept of "unique nu...
How do browsers pause/change Javascript when tab or window is not active?
...ave written a test specifically for this purpose:
Frame Rate Distribution: setInterval vs requestAnimationFrame
Note: This test is quite CPU intensive. requestAnimationFrame is not supported by IE 9- and Opera 12-.
The test logs the actual time it takes for a setInterval and requestAnimationFrame ...