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Python: Append item to list N times
...on of a list of things to add via the above techniques):
a = [1,2,3]
b = [4,5,6]
a.extend(b)
# a is now [1,2,3,4,5,6]
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Converting of Uri to String
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answered Jun 28 '13 at 2:49
Rico HarisinRico Harisin
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Replacing some characters in a string with another character
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340
echo "$string" | tr xyz _
would replace each occurrence of x, y, or z with _, giving A__BC___...
Truncate a list to a given number of elements
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142
Use List.subList:
import java.util.*;
import static java.lang.Math.min;
public class T {
pu...
stash@{1} is ambiguous?
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234
Your shell is eating your curly brackets, so while you say stash@{1}, git sees stash@1 and that ...
How to save as a new file and keep working on the original one in Vim?
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4 Answers
4
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Is there an easy way to check the .NET Framework version?
... like this should do it. Just grab the value from the registry
For .NET 1-4:
Framework is the highest installed version, SP is the service pack for that version.
RegistryKey installed_versions = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP");
string[] version_name...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...似的长连接+心跳策略，WIFI和手机网络下的心跳间隔都为4分45秒，心跳5次后，主动断开连接再重连。
在支持GCM的设备上，主要靠GCM来激活WhatsApp，WhatsApp启动后，会建立一个与服务器的长连接，直接通过此长连接发送Push消息，...
What is the maximum float in Python?
...gt;> import sys
>>> sys.float_info
sys.floatinfo(max=1.7976931348623157e+308, max_exp=1024, max_10_exp=308, min=2.2
250738585072014e-308, min_exp=-1021, min_10_exp=-307, dig=15, mant_dig=53, epsil
on=2.2204460492503131e-16, radix=2, rounds=1)
Specifically, sys.float_info.max:
>>...