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Simplest way to wait some asynchronous tasks complete, in Javascript?
...mongoose = require('mongoose');
mongoose.connect('your MongoDB connection string');
var conn = mongoose.connection;
var promises = ['aaa', 'bbb', 'ccc'].map(function(name) {
return new Promise(function(resolve, reject) {
var collection = conn.collection(name);
collection.drop(function(er...
Entity Framework vs LINQ to SQL
...0 are going to look pretty much the same as those in L2S. EF gets you some extra things you can do now on top of what L2S offers.
– Paul Mendoza
Feb 17 '11 at 18:15
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Assembly code vs Machine code vs Object code?
... of what you wrote to actual machine instructions. And I wouldn't call the extra code put in by compilers "unecessary"
– Joel Coehoorn
Mar 22 '13 at 20:54
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Which HTML Parser is the best? [closed]
... after.
Its party trick is a CSS selector syntax to find elements, e.g.:
String html = "<html><head><title>First parse</title></head>"
+ "<body><p>Parsed HTML into a doc.</p></body></html>";
Document doc = Jsoup.parse(html);
Elements li...
What are all codecs and formats supported by FFmpeg?
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Thank you very much llogan for those extra filtering options. Is it possible to further go, and for example ask FFMPEG to list all Encoders/Decoders that are only for Video, or only for Audio?
– spaceman
May 4 at 15:39
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How do I echo and send console output to a file in a bat script?
... always the last one!
So it is equal to dir > two.txt
Ok, there is one extra possibility, redirecting a stream to another stream.
dir 1>files.txt 2>&1
2>&1 redirects stream2 to stream1 and 1>files.txt redirects all to files.txt.
The order is important here!
dir ... 1>...
Change the color of a bullet in a html list?
.../span></li>
</ul>
the big problem with this method is the extra markup. (the span tag)
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How to apply CSS to iframe?
...re is how to apply CSS code directly without using <link> to load an extra stylesheet.
var head = jQuery("#iframe").contents().find("head");
var css = '<style type="text/css">' +
'#banner{display:none}; ' +
'</style>';
jQuery(head).append(css);
This hides th...
二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...映射成一个字符索引表。如下所示：（其中的SP是空格，Char是字符，Value是其索引值） 编码的过程是把字符两两分组，然后转成下表的45进制，然后转成11bits的二进制，如果最后有一个落单的，那就转成6bits的二进制。而编码模...
Prevent double submission of forms in jQuery
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@cck Awesome, I used that. You had an extra closing paren that I removed: if ($(this).valid) {$form.data('submitted', true);
– Brian MacKay
Oct 10 '13 at 12:49
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