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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...String[] args) {
try {
List addresses = new ArrayList();
ServerAddress address1 = new ServerAddress("192.168.0.136" , 20000);
ServerAddress address2 = new ServerAddress("192.168.0.137" , 20000);
ServerAddress...
Android Fragment lifecycle over orientation changes
...he other.
When a config change occurs the old Fragment adds itself to the new Activity when it's recreated. This is a massive pain in the rear most of the time.
You can stop errors occurring by using the same Fragment rather than recreating a new one. Simply add this code:
if (savedInstanceState ...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
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but to ping a service, that would be in server side? do you know a way to do that from client?
– sites
Nov 8 '14 at 0:14
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How do I handle the window close event in Tkinter?
...=True, fill='both')
root.mainloop()
In this example we give the user two new exit options:
the classic File → Exit, and also the Esc button.
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Specifying rails version to use when creating a new application
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I found here an undocumented option to create a new application using an older version of Rails.
rails _2.1.0_ new myapp
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Open link in new tab or window [duplicate]
Is it possible to open an a href link in a new tab instead of the same tab?
4 Answers
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Changing an element's ID with jQuery
...ass the value as the second parameter:
jQuery(this).prev("li").attr("id","newId");
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Best Practices for securing a REST API / web service [closed]
...d best practices for dealing with security (Authentication, Authorization, Identity Management) ?
18 Answers
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Extract a part of the filepath (a directory) in Python
... I ended up splitting the path and taking the piece I wanted, it didn't work before but after reading all these answers, I found out what I did wrong.
– Thalia
Apr 13 '12 at 23:21
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How to create a sequence of integers in C#?
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Linq projection with the rarely used indexer overload (i):
(new int[11]).Select((o,i) => i)
I prefer this method for its flexibilty.
For example, if I want evens:
(new int[11]).Select((item,i) => i*2)
Or if I want 5 minute increments of an hour:
(new int[12]).Select((item...