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Undo a merge by pull request?
...om.com>
Date: Mon Apr 29 06:12:38 2013 -0700
Merge pull request #123 from john/foo_and_bar
Add foo and bar
commit a507888e9fcc9e08b658c0b25414d1aeb1eef45e
Author: John Doe <john@doe.com>
Date: Mon Apr 29 12:13:29 2013 +0000
Add bar
commit 470ee0f407198057d5cb1d6427bb837...
C#中数组、ArrayList和List三者的区别 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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list.RemoveAt(0);
上例中，如果我们往List集合中插入int数组123，IDE就会报错，且不能通过编译。这样就避免了前面讲的类型安全问题与装箱拆箱的性能问题了。
总结：
数组的容量是固定的，您只能一次获取或设置一个元素的值...
How can building a heap be O(n) time complexity?
...d you mean to start at the bottom of the heap?
– aste123
Dec 16 '15 at 18:14
4
@aste123 No, it is...
javascript pushing element at the beginning of an array [duplicate]
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123
Use .unshift() to add to the beginning of an array.
TheArray.unshift(TheNewObject);
See MDN...
Convert boolean result into number/integer
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123
Imho the best solution is:
fooBar | 0
This is used in asm.js to force integer type.
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How to remove leading zeros using C#
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This is the code you need:
string strInput = "0001234";
strInput = strInput.TrimStart('0');
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Test if something is not undefined in JavaScript
...defined", instead of a useful message about an "un-caught exception @ line 123 of file xyz.js". Eventually a second developer will probably comment out the console.log() statement, making it more difficult for a 3rd developer to come in and fix a bug happening deep within doSomething().
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AngularJS : Initialize service with asynchronous data
...vice wait for MyService to get initialized?
– testing123
Apr 30 '13 at 13:07
2
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What are best practices for REST nested resources?
...ompanies/departments/employees/{empId} or to get all employees in company 123 you have GET /companies/123/departments/employees/ Keeping the path hierarchical makes it more apparent how you can get to the intermediate resources to filter/create/modify and helps with discoverability in my opinion.
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Linux 搭建NTP时间同步服务器 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...火墙需要关闭，否则会阻止NTP服务端口，NTP服务默认端口123)
6、通过ntpq –p静态查看NTP服务器与外部NTP服务器同步情况。
通过watch ntpq -p 动态查看NTP服务器与外部NTP服务器同步情况，一般需要等5--10分钟左右NTP服务器...