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Calculate distance between 2 GPS coordinates
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If anyone, specifically those of you who don't look for end of line comments, is staring at this formula and looking for a unit of distance, the unit is km. :)
– Dylan Knowles
Sep 27 '13...
关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
关于 __VA_ARGS__ 宽字符版本的问题在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：
#defin...
NPM doesn't install module dependencies
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@Flame2057 it's good to know you're out of luck, though not too informative. You may go ahead and formulate a question, hopefully the community has the knowledge to solve. Have fun!
– allprog
Jul 17 '17 at 14:17...
How to get the last N rows of a pandas DataFrame?
...on or label:
df.iloc[-3:]
see the docs.
As Wes points out, in this specific case you should just use tail!
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Modify tick label text
...fault (and when the plot is draw the labels are simply the ticks values). Knowing that, to get your desired output would require something like this:
>>> from pylab import *
>>> axes = figure().add_subplot(111)
>>> a=axes.get_xticks().tolist()
>>> a[1]='change'
&...
Get week of year in JavaScript like in PHP
...ch engine pointed you here anyways.
As said above but without a class:
let now = new Date();
let onejan = new Date(now.getFullYear(), 0, 1);
let week = Math.ceil( (((now.getTime() - onejan.getTime()) / 86400000) + onejan.getDay() + 1) / 7 );
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Match multiple cases classes in scala
...> "A"
case B(_) | C(_) => "B"
case _ => "default"
}
}
If you must, must, must extract the parameter and treat them in the same code block, you could:
def matcher(l: Foo): String = {
l match {
case A() => "A"
case bOrC @ (B(_) | C(_)) => {
val s = bOrC.asIn...
Get the current first responder without using a private API
... me that my app cannot be accepted because I'm using a non-public API; specifically, it says,
28 Answers
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What does the variable $this mean in PHP?
... created by the interpreter for you, that contains an array of variables.
If you call $this inside a normal method in a normal class, $this returns the Object (the class) to which that method belongs.
It's possible for $this to be undefined if the context has no parent Object.
php.net has a b...
Split a string by a delimiter in python
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I was wondering, what is the difference between the first example (simply using split()) and the second example (with a for loop)?
– EndenDragon
Jun 26 '16 at 18:21
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