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What is context in _.each(list, iterator, [context])?
...function.
var someOtherArray = ["name","patrick","d","w"];
_.each([1, 2, 3], function(num) {
// In here, "this" refers to the same Array as "someOtherArray"
alert( this[num] ); // num is the value from the array being iterated
// so this[num] gets the item at t...
How do I get a PHP class constructor to call its parent's parent's constructor?
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answered Oct 13 '09 at 0:28
Corey BallouCorey Ballou
37.6k88 gold badges5959 silver badges7474 bronze badges
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How do I show the value of a #define at compile-time?
... be displayed with:
#pragma message "The value of ABC: " XSTR(ABC)
See: 3.4 Stringification in the gcc online documentation.
How it works:
The preprocessor understands quoted strings and handles them differently from normal text. String concatenation is an example of this special treatment. The...
Chrome Extension how to send data from content script to popup.html
... |_____img
|_____icon19.png
|_____icon38.png
|_____manifest.json
|_____background.js
|_____content.js
|_____popup.js
|_____popup.html
manifest.json:
{
"manifest_version": 2,
"name": "Test Extension",...
How do you properly determine the current script directory in Python?
...
238
os.path.dirname(os.path.abspath(__file__))
is indeed the best you're going to get.
It's unus...
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
...
13 Answers
13
Active
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Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
... -------------- ------------ --------------
1 1 133 52428800 512 2 NO
INACTIVE 4087905 07-11月-14 4144262 08-11月-14
2 1 134 52428800 512 2 NO
CURRENT 4144262 08-11月...
Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
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This is undefined behavior from the C++11 draft standard section 6.6.3 The return statement paragraph 2 which says:
[...] Flowing off the end of a function is equivalent to a return with no value; this results in undefined behavior in a value-returning function. [...]
This means that the...
How do you do a limit query in JPQL or HQL?
In Hibernate 3, is there a way to do the equivalent of the following MySQL limit in HQL?
14 Answers
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...高可用的mongodb集群：
首先确定各个组件的数量，mongos 3个， config server 3个，数据分3片 shard server 3个，每个shard 有一个副本一个仲裁也就是 3 * 2 = 6 个，总共需要部署15个实例。这些实例可以部署在独立机器也可以部署在一台机...