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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 ...
How to check if a map contains a key in Go?
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64
Searched on the go-nuts email list and found a solution posted by Peter Froehlich on 11/15/2009...
anchor jumping by using javascript
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Not enough rep for a comment.
The getElementById() based method in the selected answer won't work if the anchor has name but not id set (which is not recommended, but does happen in the wild).
Something to bare in mind if you don't have control of the document markup (e.g. we...
How to indicate param is optional using inline JSDoc?
... 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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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 ...
Good examples of MVVM Template
...pproach, which is not quite classic MVVM, can be summarized as follows:
A base class for a dialog ViewModel that exposes commands for commit and cancel actions, an event to lets the view know that a dialog is ready to be closed, and whatever else you will need in all of your dialogs.
A generic vi...
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...
Does Flask support regular expressions in its URL routing?
... this could be done.
from flask import Flask
from werkzeug.routing import BaseConverter
app = Flask(__name__)
class RegexConverter(BaseConverter):
def __init__(self, url_map, *items):
super(RegexConverter, self).__init__(url_map)
self.regex = items[0]
app.url_map.converters[...
Why the switch statement cannot be applied on strings?
... code down to one cmp instruction and a goto where the address is computed based on the value of the argument at runtime. Since branching and and loops don't play nicely with modern CPUs, this can be an important optimization.
To go around this, I am afraid you will have to resort to if statements....
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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