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How to generate unique ID with node.js
...upposed to use callbacks. What will happen with your code, is that base.getID query will get queued up by for execution, but the while loop will continusouly run as a busy loop pointlessly.
You should be able to solve your issue with a callback as follows:
function generate(count, k) {
var _sy...
How to return result of a SELECT inside a function in PostgreSQL?
... -- potential ambiguity
END
$func$ LANGUAGE plpgsql;
Call:
SELECT * FROM word_frequency(123);
Explanation:
It is much more practical to explicitly define the return type than simply declaring it as record. This way you don't have to provide a column definition list with ev...
How to display multiple notifications in android
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Simple notification_id needs to be changable.
Just create random number for notification_id.
Random random = new Random();
int m = random.nextInt(9999 - 1000) + 1000;
or you can use this method for creating random number as told by t...
How to get CSS to select ID that begins with a string (not in Javascript)?
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[id^=product]
^= indicates "starts with". Conversely, $= indicates "ends with".
The symbols are actually borrowed from Regex syntax, where ^ and $ mean "start of string" and "end of string" respectively.
See the specs for ...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...g to see what will happen with Scala on .Net, since interoperability alone calls for Scala to at least recognize user-defined "primitives".
Also extending Any is AnyRef, which is equivalent to java.lang.Object (on the JVM at any rate).
Up to Scala 2.9.x, a user could not extend Any or AnyVal, nor ...
Using querySelector with IDs that are numbers
From what I understand the HTML5 spec lets you use IDs that are numbers like this.
5 Answers
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How do I get the YouTube video ID from a URL?
I want to get the v=id from YouTube’s URL with JavaScript (no jQuery, pure JavaScript).
39 Answers
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plupload图片上传插件的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...upload配置说明
Browse_button:触发浏览文件按钮标签的唯一id,,在flash、html5、和silverlight中能找到触发事件的源（我理解的，这个参数在队列部件不需要参见）
Container: 展现上传文件列表的容器，[默认是body]
chunk_size：当上传文件...
What is the difference between ? and Object in Java generics?
...n't know the type of the value (it's ?), you don't know if if it's safe to call put(key, "x"), put(key, 0), or anything else.
– erickson
Jan 26 '16 at 19:50
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When is an interface with a default method initialized?
...nough to trigger the initialization. The default method doesn't have to be called or overridden or even mentioned, nor does the presence of an abstract method trigger initialization.
My speculation is that the HotSpot implementation wanted to avoid adding class/interface initialization checking int...