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NumPy or Pandas: Keeping array type as integer while having a NaN value
...un into issues that join columns are converted into either ints or floats, based on the existence of a NA value in the original list. (Creating issues later on when trying to merge these dataframes)
– Carst
Jul 23 '13 at 21:36
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What's the difference between using CGFloat and float?
...by Command-double-clicking on "CGFloat" in Xcode — it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well.
These types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modificatio...
一个科技公司只是碰巧卖起了披萨？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...披萨优惠券，于是网上瞬间出现了一堆奇怪可爱的视频和图片，顿时引爆了话题热点。
“每周免费披萨”活动。达美乐十分鼓励粉丝推荐好友加入企业社群，每周五下午5点结算，选出当周的推荐王，当选人可免费享用披萨。每...
地图组件做App到底怎么选？我踩完6个坑，帮你总结了这份横评 - App应用开发...
...ker组件到设计器里，每个设置纬度、经度、标题、描述、图片……你的设计器会卡到打不开，逻辑代码也会膨胀到几百个块。
聪明方法： 用FeatureCollection组件，从网址加载一个GeoJSON文件。
GeoJSON是什么？简单说就是一个JSON...
google oauth2 redirect_uri with several parameters
...a json string of your parameters ->
{ "a" : "b" , "c" : 1 }
/2. do a base64UrlEncode , to make it URL safe ->
stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }');
This is a PHP example of base64UrlEncoding & decoding (http://en.wikipedia.org/wiki/Base64#URL_applications) :
fu...
How to detect Windows 64-bit platform with .NET?
...plex.com/SourceControl/changeset/view/39074#842775 .I also have a solution based on that code listed at the bottom of this page, that uses extension methods if you care about reusing the code.
– dmihailescu
Feb 2 '11 at 18:29
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How to escape single quotes in MySQL
...escape_string($var);
?>
This will solve your problem, because the database can't detect the special characters of a string.
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Virtual Memory Usage from Java under Linux, too much memory used
...ng-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here's a way to make Hello World on a 64-bit JVM claim to take over 4 giga...
JS - get image width and height from the base64 code
I have a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
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Where do I find old versions of Android NDK? [closed]
...d .exe for windows
Since r11:
.zip for linux and OS X as well, a new URL base, and no 32 bit versions for OS X and linux.
https://dl.google.com/android/repository/android-ndk-r11-linux-x86_64.zip
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