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Convert .pem to .crt and .key
... format. The PEM form is the default format: it consists of the DER format base64 encoded with additional header and footer lines. On input PKCS#8 format private keys are also accepted. The NET form is a format is described in the NOTES section.
-outform DER|NET|PEM
This specifies the output ...
Disable/turn off inherited CSS3 transitions
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Based on W3schools default transition value is: all 0s ease 0s, which should be the cross-browser compatible way of disabling the transition.
Here is a link: https://www.w3schools.com/cssref/css3_pr_transition.asp
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Trimming a huge (3.5 GB) csv file to read into R
...eel like firing up a big memory instance on Amazon's EC2 you can get up to 64GB of RAM. That should hold your file plus plenty of room to manipulate the data.
If you need more speed, then Shane's recommendation to use Map Reduce is a very good one. However if you go the route of using a big memory ...
MySQL: What's the difference between float and double?
Checking in the new database structure I saw that someone changed a field from float to double. Wondering why, I checked the mysql documentation, but honestly didn't understand what the difference is.
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How does C compute sin() and other math functions?
..., this is the code that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x).
This code is very complex. No one software algorithm is as fast as possible...
Non greedy (reluctant) regex matching in sed?
... Many thanks ... since perl is not longer in the default installation base in many linux distros!
– st0ne
Sep 27 '17 at 19:36
16
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jquery input select all on focus
...e='text']").on("click", function () {
$(this).select();
});
Here is a demo
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Margin-Top not working for span element?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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CSS image resize percentage of itself?
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I have 2 methods for you.
Method 1. demo on jsFiddle
This method resize image only visual not it actual dimensions in DOM, and visual state after resize centered in middle of original size.
html:
<img class="fake" src="example.png" />
css:
img {
-webki...
“:” (colon) in C struct - what does it mean? [duplicate]
...is used in expressions in exactly the same way as a variable
of the same base type would be used, regardless of how many bits are
in the bit field.
A quick sample illustrates this nicely. Interestingly, with mixed types the compiler seems to default to sizeof (int).
struct
{
int a : 4...