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What do the python file extensions, .pyc .pyd .pyo stand for?
...: This is basically a windows dll file. http://docs.python.org/faq/windows.html#is-a-pyd-file-the-same-as-a-dll
Also for some further discussion on .pyc vs .pyo, take a look at: http://www.network-theory.co.uk/docs/pytut/CompiledPythonfiles.html (I've copied the important part below)
When t...
Position: absolute and parent height?
...o elements, but without the absolute position and with hidden visibility:
HTML
<article>
<div class="one"></div>
<div class="two"></div>
<div class="three"></div>
</article>
CSS
.three{
height: 30px;
z-index: -1;
visibility: h...
Which characters need to be escaped when using Bash?
... here is the manual quoted above: gnu.org/software/bash/manual/html_node/Double-Quotes.html
– code_monk
Dec 21 '16 at 21:33
...
Can git automatically switch between spaces and tabs?
...s=2 --initial
Then I have two files:
attributes
*.js filter=tabspace
*.html filter=tabspace
*.css filter=tabspace
*.json filter=tabspace
and attributes2
*.js filter=tabspace2
*.html filter=tabspace2
*.css filter=tabspace2
*.json filter=tabspace2
Working on personal projects
mkdir pr...
What's the difference between == and .equals in Scala?
... isNaN:
Java: https://docs.oracle.com/javase/7/docs/api/java/lang/Double.html#isNaN(double)
Scala: http://www.scala-lang.org/files/archive/api/2.11.8/index.html#scala.Double@isNaN():Boolean
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...
“Eliminate render-blocking CSS in above-the-fold content”
... And they themselves are not a good role model if you have a look at their HTML markup.
The best advice I could give you is:
Set width and height on replaced elements in your CSS, so that the browser can layout the elements and doesn't have to wait for the replaced content!
Additionally why d...
REST response code for invalid data
...: 400 Bad Request, 409 Conflict, 403 Forbidden etc. live in tools.ietf.org/html/rfc7231 ; 412 Precondition Failed is in tools.ietf.org/html/rfc7232#section-4.2
– Matty K
Jul 3 '14 at 3:49
...
Should I URL-encode POST data?
...s the normal application/x-www-form-urlencoded kind, most commonly used by HTML forms.
CURLOPT_POSTFIELDS
The full data to post in a HTTP "POST" operation. To post a file, prepend a filename with @ and use the full path. The filetype can be explicitly specified by following the filename with the typ...
static const vs #define
...ample MIPs add immediate (cs.umd.edu/class/sum2003/cmsc311/Notes/Mips/addi.html). In this sort of case a #defined integer truly could be said to use no space since in the compiled binary it occupies a few spare bits in instructions which had to exist anyway.
– ahcox
...
Change key pair for ec2 instance
... below.
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html#replacing-lost-key-pair
Here is what I did, thanks to Eric Hammond's blog post:
Stop the running EC2 instance
Detach its /dev/xvda1 volume (let's call it volume A) - see here
Start new t1.micro EC2 instance, using my ...