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How do I get a class instance of generic type T?
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584
The short answer is, that there is no way to find out the runtime type of generic type paramet...
How can I quickly sum all numbers in a file?
... hoping using mmap would be really fast, but it's just the same time:
use 5.010;
use File::Map qw(map_file);
map_file my $map, $ARGV[0];
$sum += $1 while $map =~ m/(\d+)/g;
say $sum;
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im...
What is a “surrogate pair” in Java?
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edited Apr 19 '17 at 13:35
answered May 5 '11 at 19:28
Jef...
二进制数据专题：蓝牙、Socket、WebSocket、MQTT 收发字节 · App Inventor 2 中文网
...数据，大多不是发一句文本，而是发一串字节：
「帧头 A5、命令 01、两个字节的温度、一个字节的校验」。这类格式叫二进制协议。
App Inventor 里处理二进制只需要记住一件事：字节列表就是由 0~255 的数字组成的普通列表。
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Deciding between HttpClient and WebClient
...-------------------+
| Available in older versions of .NET | .NET 4.5 only. Created to support the |
| | growing need of the Web API REST calls |
+--------------------------------------------+--------------------------------------------+
| W...
iOS 7 parallax effect in my view controller
...rsions:
NGAParallaxMotion (requires iOS 7).
DVParallaxView (requires iOS 5.0 or higher and ARC).
MKParallaxView (tested with iOS 6.0, requires ARC).
UIView-MWParallax (tested with iOS 6.1, requires ARC).
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Do you (really) write exception safe code? [closed]
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522
Your question makes an assertion, that "Writing exception-safe code is very hard". I will answ...
Changing every value in a hash in Ruby
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PhrogzPhrogz
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Scrolling a flexbox with overflowing content
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K-Gun
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answered Feb 4 '14 at 0:59
Joseph SilberJoseph Silber
184k4...
How to comment out a block of Python code in Vim
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415
Step 1: Go to the the first column of the first line you want to comment.
Step 2: Press: Ctrl...