大约有 30,000 项符合查询结果（耗时：0.0350秒） [XML]
mongodb: insert if not exists
...B has built-in support for this. Pass an extra parameter to your update() call: {upsert:true}. For example:
key = {'key':'value'}
data = {'key2':'value2', 'key3':'value3'};
coll.update(key, data, upsert=True); #In python upsert must be passed as a keyword argument
This replaces your if-find-el...
Get an object properties list in Objective-C
...^). I fixed it by actually getting an NSString from the attribute and then calling cStringUsingEncoding:. This works like a charm now. (Also works with ARC, at least for me)
So this is my version of the code now:
// PropertyUtil.h
#import
@interface PropertyUtil : NSObject
+ (NSDictionary *)cla...
Include CSS,javascript file in Yii Framework
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should I call this from the controller of from the view?
– user1077220
Jun 15 '12 at 9:07
3
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When should one use RxJava Observable and when simple Callback on Android?
... I decided to try out Square's Retrofit . I see that they support simple Callback
9 Answers
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Jquery live() vs delegate() [duplicate]
... be better to use now since we can add the event context. Since delegate() calls live() internally. So I think 1 call less. Or am I wrong?
– PeeHaa
May 16 '11 at 17:55
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jquery: $(window).scrollTop() but no $(window).scrollBottom()
...nt _top_ to the visible window Bottom. It is useful for sure, though can't call it the opposite to ScrollBottom (I know this is a marked answer but for future readers like myself)
– DeepSpace101
Feb 14 '13 at 20:58
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MSSQL Error 'The underlying provider failed on Open'
...you are using Entity Framework with Transactions, Entity Framework automatically opens and closes a connection with each database call. So when using transactions, you are attempting to spread a transaction out over multiple connections. This elevates to MSDTC.
(See this reference for more inform...
Entity Framework is Too Slow. What are my options? [closed]
...roblems in bad/bloated code written simply to conform with some strange so called 'patterns'
Relax, enjoy life, take a break from coding and stop using extra features, code, products, 'patterns'. Life is short and the life of your code is even shorter, and it is certainly not rocket science. Remo...
Android selector & text color
...ught of sharing it. :)
This feature is indeed available from API 1 and is called as ColorStateList, where we can supply a color to various states of Widgets (as we already know).
It is also very well documented, here.
shar...
How to convert array to SimpleXML
...ment('<?xml version="1.0"?><data></data>');
// function call to convert array to xml
array_to_xml($data,$xml_data);
//saving generated xml file;
$result = $xml_data->asXML('/file/path/name.xml');
?>
Documentation on SimpleXMLElement::asXML used in this snippet
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