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How to remove a field completely from a MongoDB document?
...ue);
Refer this:
http://www.mongodb.org/display/DOCS/Updating#Updating-%24unset
UPDATE:
The above link no longer covers '$unset'ing. Be sure to add {multi: true} if you want to remove this field from all of the documents in the collection; otherwise, it will only remove it from the first docum...
Node.js/Windows error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm'
I have Windows 7 32-bit. I installed the latest Node.js 32 bit.
When I try to run the command npm install jquery , I receive the error:
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What is default session timeout in ASP.NET?
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It is 20 Minutes according to MSDN
From MSDN:
Optional TimeSpan attribute.
Specifies the number of minutes a session can be idle before it is abandoned. The timeout attribute cannot be set to a value that is greater than 525,601 m...
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
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What is the proper way to use the node.js postgresql module?
...? Use pg.connect set the
pg.defaults.poolSize to something sane (we do 25-100, not sure the
right number yet).
new pg.Client is for when you know what you're doing. When you need
a single long lived client for some reason or need to very carefully
control the life-cycle. A good exam...
Is there an online name demangler for C++? [closed]
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edited Oct 4 '19 at 14:27
answered May 5 '12 at 23:20
Ra...
Comparing two strings, ignoring case in C# [duplicate]
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answered Jun 16 '11 at 11:42
Frederik GheyselsFrederik Gheysels
52.7k99 gold badges9292 silver badges144144 bronze badges
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Interface/enum listing standard mime-type constants
...ss for this: com.google.common.net.MediaType.
It was released with Guava 12 as stated in the source code and in Issue 823. Sources are available, too.
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海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ring s1 = "你妈妈喊你回家吃饭哦，回家罗回家罗" ;
String s2 = "你妈妈叫你回家吃饭啦，回家罗回家罗" ;
long t1 = System.currentTimeMillis();
for (int i = 0; i < 1000000; i++) {
int dis = StringUtils .getLevenshteinDistance(s1, s2);
}
long t2 = System...