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Apache Spark: map vs mapPartitions?
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I'm seeing the opposite -- even with very small operations, its faster to call mapPartitions and iterate than call map. I am assuming that this is just the overhead of starting the language engine that will process the map task. (I'm in R, which may have more startup...
How to check if one DateTime is greater than the other in C#
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You can use the overloaded < or > operators.
For example:
DateTime d1 = new DateTime(2008, 1, 1);
DateTime d2 = new DateTime(2008, 1, 2);
if (d1 < d2) { ...
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impr...
How to make “if not true condition”?
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I like this version. What about adding 1>&2 at the end of your echo to print on stderr ?
– Julien
Nov 26 '15 at 11:32
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Git: “Corrupt loose object”
... guessing at what files should be there. You may want to see if the dates & times of the objects match up to it. Those could be the related blobs. You could infer the structure of the tree object from those objects.
Take a look at Scott Chacon's Git Screencasts regarding git internals. This wil...
How to change the background color of a UIButton while it's highlighted?
At some point in my app I have a highlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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Regular expression for a string containing one word but not another
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"http://www.anydotcom.com/test/search.cfm?metric=blah&selector=sized&value=1" =~ /^(?!.*details\.cfm).*selector=size.*$/ #=> 0 is incorrect. (Note the string contains "...selector=sized...".) Also, why .*$ at the end?
– Cary Swoveland
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Get Slightly Lighter and Darker Color from UIColor
...terColorForColor:(UIColor *)c
{
CGFloat r, g, b, a;
if ([c getRed:&r green:&g blue:&b alpha:&a])
return [UIColor colorWithRed:MIN(r + 0.2, 1.0)
green:MIN(g + 0.2, 1.0)
blue:MIN(b + 0.2, 1.0)
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How can I reverse a NSArray in Objective-C?
...ne. If I see a method that returns an immutable object, I expect it to actually be returning an immutable object. Having it appear to return an immutable object but actual return a mutable object is a dangerous practice to get into.
– Christine
Jul 2 '12 at 22:...
Check if an array contains any element of another array in JavaScript
...p out numbers for anything you want to use - strings are fine, like your example.
And in my specific example, the result should be true because the second array's 3 exists in the target.
UPDATE:
Here's how I'd organize it into a function (with some minor changes from before):
var anyMatchInArr...
LOGFONT 和 CFont 区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
LOGFONT 和 CFont 区别LOGFONT和CFont 本质上是相同的，前者是存储字体相关数据的一个结构体，后者是封装LOGFONT的一个类，用于创建使用字体。创建字体：CFont ...LOGFONT 和 CFont 本质上是相同的，前者是存储字体相关数据的一个结构...