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Set Django IntegerField by choices=… name
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edited Jul 13 '09 at 3:31
answered Jul 13 '09 at 3:23
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How to install CocoaPods?
...od setup
And wait it will download the master repo. The size is very big (370.0MB at Dec 2016). So it can be a while. You can track of the download by opening Activity and goto Network tab and search for git-remote-https. Alternatively you can try adding verbose to the command like so:
pod setup -...
Converting PKCS#12 certificate into PEM using OpenSSL
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edited Jul 26 at 13:14
nickdnk
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answered ...
How do I pass command line arguments to a Node.js program?
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Calculate date/time difference in java [duplicate]
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edited Nov 9 '18 at 13:52
vels4j
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answered M...
How to base64 encode image in linux bash / shell
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answered Jun 4 '13 at 13:09
chepnerchepner
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WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
... Logo 和主界面
输出示例
Spin Calendar V3 界面
函数
高级函数
事件
属性
使用示例
基础日期选择
处理日期选择
日期验证和设置
年龄计算
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What is the difference between “INNER JOIN” and “OUTER JOIN”?
...ables, with a single column each, and data as follows:
A B
- -
1 3
2 4
3 5
4 6
Note that (1,2) are unique to A, (3,4) are common, and (5,6) are unique to B.
Inner join
An inner join using either of the equivalent queries gives the intersection of the two tables, i.e. the two r...
Loop through an array in JavaScript
...e seen this anti-pattern so many times.
Anti-pattern:
const numbers = [1,2,3,4,5], doubled = [];
numbers.forEach((n, i) => { doubled[i] = n * 2 });
Proper use case of map:
const numbers = [1,2,3,4,5];
const doubled = numbers.map(n => n * 2);
console.log(doubled);
Also, if you are ...
Grep for literal strings
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138
You can use grep for that, with the -F option.
-F, --fixed-strings PATTERN is a set of n...