大约有 40,000 项符合查询结果（耗时：0.0419秒） [XML]
Regex lookahead, lookbehind and atomic groups
...pression.info for more details.
Positive lookahead:
Syntax:
(?=REGEX_1)REGEX_2
Match only if REGEX_1 matches; after matching REGEX_1, the match is discarded and searching for REGEX_2 starts at the same position.
example:
(?=[a-z0-9]{4}$)[a-z]{1,2}[0-9]{2,3}
REGEX_1 is [a-z0-9]{4}$ which...
phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...前面加一句把类别缓存加载进来：
<?php $TYPE = getcache('type_content','commons');?>
然后在循环里写：
<a href="index.php?m=content&c=type&catid={$catid}&typeid={$r[typeid]}">{$TYPE[$r[typeid]][name]}</a>
这样就可以调用出来类别了，不过链接暂时无效，因...
Callback functions in C++
...ard algorithms library <algorithm> use callbacks. For example the for_each algorithm applies an unary callback to every item in a range of iterators:
template<class InputIt, class UnaryFunction>
UnaryFunction for_each(InputIt first, InputIt last, UnaryFunction f)
{
for (; first != las...
Convert json data to a html table [closed]
...in vanilla-js, using DOM methods to prevent html injection.
Demo
var _table_ = document.createElement('table'),
_tr_ = document.createElement('tr'),
_th_ = document.createElement('th'),
_td_ = document.createElement('td');
// Builds the HTML Table out of myList json data from Ivy r...
C#: Printing all properties of an object [duplicate]
...
@Best_Where_Gives - So you could extend the code to handle this, at engineforce has done. Sometimes you've got to write a bit of code yourself..!
– Sean
Feb 7 '18 at 9:14
...
Symfony 2 EntityManager injection in service
...service and I need to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work.
...
Scala 2.8 breakOut
...est builder possible. For example, if I were to write Map('a' -> 1).map(_.swap), I'd like to get a Map(1 -> 'a') back. On the other hand, a Map('a' -> 1).map(_._1) can't return a Map (it returns an Iterable).
The magic of producing the best possible Builder from the known types of the expr...
Get the _id of inserted document in Mongo database in NodeJS
...ection.insert that will return the doc or docs inserted, which should have _ids.
Try:
collection.insert(objectToInsert, function(err,docsInserted){
console.log(docsInserted);
});
and check the console to see what I mean.
...
Correct use of Multimapping in Dapper
...ourth
------------------+-------------+-------------------+------------
col_1 col_2 col_3 | col_n col_m | col_A col_B col_C | col_9 col_8
------------------+-------------+-------------------+------------
Following is the dapper query that you will have to write.
Query<TFirst, TSecond, TThird, TF...
Call a python function from jinja2
...
For those using Flask, put this in your __init__.py:
def clever_function():
return u'HELLO'
app.jinja_env.globals.update(clever_function=clever_function)
and in your template call it with {{ clever_function() }}
...