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Javascript calculate the day of the year (1 - 366)
...ll fail when now is a date in between march 26th and October 29th andnow's time is before 1AM (eg 00:59:59). This is due to the code not taking daylight savings time into account. You should compensate for this:
var now = new Date();
var start = new Date(now.getFullYear(), 0, 0);
var diff = ...
How to write a cron that will run a script every day at midnight?
... -S 5 crontab
cron(8) examines cron entries once every minute.
The time and date fields are:
field allowed values
----- --------------
minute 0-59
hour 0-23
day of month 1-31
month 1-1...
Finding the average of a list
...d have assumed this would be much more efficient, but it appears to take 8 times as long on a random list of floats than simply sum(l)/len(l)
– L. Amber O'Hearn
Sep 23 '15 at 19:04
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Encrypt and decrypt a string in C#?
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EDIT 2013-Oct: Although I've edited this answer over time to address shortcomings, please see jbtule's answer for a more robust, informed solution.
https://stackoverflow.com/a/10366194/188474
Original Answer:
Here's a working example derived from the "RijndaelManaged Class" ...
How to stop Visual Studio from “always” checking out solution files?
For apparently no reason, every time I open my solution, Visual Studio checks the sln file out.
8 Answers
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Is there a way of setting culture for a whole application? All current threads and new threads?
...res are in en-US. This is a scenario where this setting is perfect for the time until that flaw is fixed
– Daniel Hilgarth
Jan 22 '16 at 14:00
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How to list variables declared in script in bash?
...the "DejayClayton" problem. Perhaps that's a modern behavior? Or a compile-time variation? Or a set -o or shopt option setting? If you know of such variations, please add a comment...
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What is a WeakHashMap and when to use it? [duplicate]
...me obsolete.
Remember that WeakHashMap is useful only if the desired lifetime of cache
entries is determined by external references to the key, not the value.
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Swift native base class or NSObject
...objc_msgSend() for calls to (most of) their methods
provide Objective-C runtime metadata for (most of) their method implementations
Swift classes that are not subclasses of NSObject:
are Objective-C classes, but implement only a handful of methods for NSObject compatibility
do not use objc_msgSe...
Read specific columns from a csv file with csv module?
...content
Now that we have covered your mistake, I would like to take this time to introduce you to the pandas module.
Pandas is spectacular for dealing with csv files, and the following code would be all you need to read a csv and save an entire column into a variable:
import pandas as pd
df = pd...