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git pull while not in a git directory
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Starting git 1.8.5 (Q4 2013), you will be able to "use a Git command, but without having to change directories".
Just like "make -C <directory>", "git -C <directory> ..." tells Git to go there before doing anything else.
See co...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
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<parameter type="System.String"/>
<parameter index="0"/>
</parameter>
</knownType>
</add>
</declaredTypes>
</dataContractSerializer>
</system.runtime.serialization>
以上代码就指定了将Circle<Dictionary<string, T>>...
Sorting a Python list by two fields
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@MikeAxiak: docs.python.org/2/library/stdtypes.html#index-29 states in comment 9: Starting with Python 2.3, the sort() method is guaranteed to be stable. A sort is stable if it guarantees not to change the relative order of elements that compare equal — this is helpful for s...
Determining Referer in PHP
...(mt_rand(), TRUE);
$_SESSION['token'] = $token;
$url = "http://example.com/index.php?token={$token}";
Then the index.php will look like this:
if(empty($_GET['token']) || $_GET['token'] !== $_SESSION['token'])
{
show_404();
}
//Continue with the rest of code
I do know of secure sites that ...
Copy table without copying data
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Try
CREATE TABLE foo LIKE bar;
so the keys and indexes are copied over as, well.
Documentation
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Performing regex Queries with pymongo
...o that regex's anchored at the start (ie: starting with ^) are able to use indexes in the db, and will run much faster in that case.
– drevicko
Aug 13 '13 at 23:31
1
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Random record from MongoDB
... document with a random number nearest rand.
And of course you'll want to index on the random field:
db.docs.ensureIndex( { key : 1, random :1 } )
If you're already querying against an index, simply drop it, append random: 1 to it, and add it again.
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Open a file with Notepad in C#
... from windows.
Note to those in the comments, thankyou for your input. My quick n' dirty answer was slightly off, i've updated the answer to reflect the correct way.
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When should I use a List vs a LinkedList
...nsive since it must walk the chain each time (hence why it doesn't have an indexer). However, because a List<T> is essentially just an array (with a wrapper) random access is fine.
List<T> also offers a lot of support methods - Find, ToArray, etc; however, these are also available for L...
Download File Using jQuery
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If you don't want search engines to index certain files, you can use robots.txt to tell web spiders not to access certain parts of your website.
If you rely only on javascript, then some users who browse without it won't be able to click your links.
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