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How to read multiple text files into a single RDD?
...hough that if you do this and specify parallelism, say sc.textFile(multipleCommaSeparatedDirs,320) it leads to 19430 total tasks instead of 320 ... it behaves like union which also leads to insane number of tasks from very low parallelism
– lisak
Nov 25 '15 at ...
How to use MySQL DECIMAL?
...the right of the decimal point (the scale).
This means that the previous command creates a column that accepts values from -99.9999 to 99.9999. You may also create an UNSIGNED DECIMAL column, ranging from 0.0000 to 99.9999.
For more information on MySQL DECIMAL the official docs are always a grea...
matplotlib Legend Markers Only Once
...are plans for numpoints=1 to be default in matplotlib 2.0! Huzzah! github.com/matplotlib/matplotlib/issues/4854
– DanHickstein
Oct 28 '15 at 17:01
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也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
也来说说ReactOS的调试By::ProgrammeBoyBlog:http: hi.baidu.com ProgrammeBoy老鸟飞过,科普类….有错的地方大家别笑,看ReactOS的源码好多天了,许多windows下不...By::ProgrammeBoy
Blog:http://hi.baidu.com/ProgrammeBoy
老鸟飞过,科普类….有错的地方大家别...
Do fragments really need an empty constructor?
...e,
"Oh no, an error occurred!")
)
.commit();
}
}
This way if detached and re-attached the object state can be stored through the arguments. Much like bundles attached to Intents.
Reason - Extra reading
I thought I would explain why for people wondering...
Custom sort function in ng-repeat
...
So, you could write your own function. For example, if you would like to compare cards based on a sum of opt1 and opt2 (I'm making this up, the point is that you can have any arbitrary function) you would write in your controller:
$scope.myValueFunction = function(card) {
return card.values.op...
ImageView - have height match width?
...
Update: Sep 14 2017
According to a comment below, the percent support library is deprecated as of Android Support Library 26.0.0. This is the new way to do it:
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android...
iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...fari打开一个链接
NSURL *url = [NSURL URLWithString:@"http://baidu.com"];
[[UIApplication sharedApplication] openURL:url];
14.利用UIWebView显示pdf文件，网页等等
<UIWebViewDelegate>
UIWebView *webView = [[UIWebView alloc]initWithFrame:self.view.bounds];
webView.delegate = ...
What is the difference between customErrors and httpErrors?
... refers to different config elements.
customErrors are a legacy (backwards compatable) element, used by Visual Studio Development Server (aka. VSDS or Cassini).
httpErrors are the new element which is only used by IIS7.
This highlights the possible problem when developing ASP.NET websites while usin...
iOS app icon with transparent background showing black background on device
...p icon should be opaque. If the icon’s boundaries are smaller than the recommended sizes—or you use transparency to create “see-through” areas—the resulting icon can appear to float on a black background, which tends to look especially unattractive on the beautiful wallpapers that users ch...