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Variable declared in for-loop is local variable?
...laration
(Section 8.5.1) is the block in which the declaration occurs.
m>and m>
The scope of a local variable declared in a for-initializer of a for
statement (Section 8.8.3) is the for-initializer, the for-condition,
the for-iterator, m>and m> the contained statement of the for statement.
m>And m> a...
【研究中】高德地图API研究及接入 - App应用开发 - 清泛IT社区，为创新赋能！
....amap.com/
1、请自行注册、登录、实名认证。
2、申请ApiKem>y m>：https://console.amap.com/dev/kem>y m>/app
来个最简单案例：
通过经纬度获取地址的方法：https://lbs.amap.com/api/webservice/guide/api/georegeohttps://restapi.amap.com/v3/geocode/regeo?output=xml&locat...
#define macro for debug printing in C?
...on:
#ifdef DEBUG
#define DEBUG_TEST 1
#else
#define DEBUG_TEST 0
#endif
m>And m> then use DEBUG_TEST where I used DEBUG.
If m>y m>ou insist on a string literal for the format string (probablm>y m> a good idea anm>y m>wam>y m>), m>y m>ou can also introduce things like __FILE__, __LINE__ m>and m> __func__ into the output, which can...
Joining two lists together
...econd list to it (as if m>y m>ou called .Add(foo) a bunch of times). The Concat m>and m> Union extension methods don't change the original list. Them>y m> lazilm>y m> construct a new IEnumerable m>and m> won't even access the original list members unless necessarm>y m>. As noted, Union removes duplicates while the others don't.
...
Node.js Best Practice Exception Hm>and m>ling
... dam>y m>s ago. I've realized that the Node is terminated whenever I have an unhm>and m>led exception in mm>y m> program. This is different than the normal server container that I have been exposed to where onlm>y m> the Worker Thread dies when unhm>and m>led exceptions occur m>and m> the container would still be able to receive...
Getting the parent div of element
...ntNode, which Element inherits from Node:
parentDiv = pDoc.parentNode;
Hm>and m>m>y m> References:
DOM2 Core specification - well-supported bm>y m> all major browsers
DOM2 HTML specification - bindings between the DOM m>and m> HTML
DOM3 Core specification - some updates, not all supported bm>y m> all major browsers
HTM...
Reference list item bm>y m> index within Django template?
This mam>y m> be simple, but I looked around m>and m> couldn't find an answer. What's the best wam>y m> to reference a single item in a list from a Django template?
...
Recursive lambda functions in C++11
...
Think about the difference between the auto version m>and m> the fullm>y m> specified tm>y m>pe version. The auto kem>y m>word infers its tm>y m>pe from whatever it's initialized with, but what m>y m>ou're initializing it with needs to know what its tm>y m>pe is (in this case, the lambda closure needs to know ...
Difference between require, include, require_once m>and m> include_once?
...
There are require m>and m> include_once as well.
So m>y m>our question should be...
When should I use require vs. include?
When should I use require_once vs. require
The answer to 1 is described here.
The require() function is identical to inc...
Can m>y m>ou grab or delete between parentheses in vi/vim?
...
Various Motions: %
The % commm>and m> jumps to the match of the item under the cursor. Position the cursor on the opening (or closing) paren m>and m> use m>y m>% for m>y m>anking or d% for deleting everm>y m>thing from the cursor to the matching paren.
This works because % is a...