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能否详细说明下数据库的应用？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
不能直连MYSQL，但有个贴子给出了方案，用PHP做了个中间件转发，但根据贴子操作未成功。又发现自带了云数据库的组件，但说明太少，比如哪里有云数据库的提供商，或者云数据库如何私有部署，能否详细说说，我想很多人应...
How to add line breaks to an HTML textarea?
... should be /(\r\n|\n|\r)/gm textfixer.com/tutorials/javascript-line-breaks.php
– tothemario
Sep 12 '12 at 2:21
3
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Single Page Application: advantages and disadvantages [closed]
...ts directly. I have built a 10K LOC web app with Angular, Bootstrap & PHP as the primary players with about 5K of Angular JS code. There are some really neat features of Angular but at this point I really wish I had just used a traditional page based approach and I think it would have signific...
How to access class constants in Twig?
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@DamianPolac do you know PHPStorm will prompt variable selection in twig file?
– Codium
Jun 21 at 8:38
add a comment
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Is it possible to have a multi-line comments in R? [duplicate]
...s how come R doesn't support a multi-line comments (like /* comment */ of PHP, for example).
7 Answers
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Bash script and /bin/bash^M: bad interpreter: No such file or directory [duplicate]
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My script was a .php script and this fixed the issue.
– Hardy
Nov 19 '15 at 18:57
2
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What is the current directory in a batch file?
...) gives the full path to the batch file. See robvanderwoude.com/parameters.php for more details.
– deadlydog
Jul 11 '13 at 20:08
6
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How do you find the sum of all the numbers in an array in Java?
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You can't. Other languages have some methods for this like array_sum() in PHP, but Java doesn't.
Just..
int[] numbers = {1,2,3,4};
int sum = 0;
for( int i : numbers) {
sum += i;
}
System.out.println(sum);
share
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convert '1' to '0001' in JavaScript [duplicate]
...' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]);
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