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When to use .First and when to use .FirstOrDefault with LINQ?
... @driis - I'd imagine we can use the mantra of the exceptional exception guideline when choosing between First and FirstOrDefault. Thanks for the clear answer.
– Metro Smurf
Jun 21 '09 at 21:21
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What does the regular expression /_/g mean?
...regex matches the _ character.
The g means Global, and causes the replace call to replace all matches, not just the first one.
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JavaScript: What are .extend and .prototype used for?
...nd for some examples.
.prototype refers to the "template" (if you want to call it that) of an object, so by adding methods to an object's prototype (you see this a lot in libraries to add to String, Date, Math, or even Function) those methods are added to every new instance of that object.
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Check if checkbox is checked with jQuery
How can I check if a checkbox in a checkbox array is checked using the id of the checkbox array?
23 Answers
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Jenkins Host key verification failed
...tal: The remote end hung up unexpectedly
– A. M. Mérida
Mar 4 '13 at 8:40
6
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Script entire database SQL-Server
... Another option is to use SQL SMO and script it out programatically (i.e. if regular scripting is required)
– RobS
Jul 22 '09 at 0:26
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How to set a Timer in Java?
...se code here */, 2*60*1000, 2*60*1000);
Making a task timeout
To specifically do what the clarified question asks, that is attempting to perform a task for a given period of time, you could do the following:
ExecutorService service = Executors.newSingleThreadExecutor();
try {
Runnable r = n...
mongodb count num of distinct values per field/key
...
},
{ $unwind: "$keywords" },
{
$group: {
_id: {$toLower: '$keywords'},
count: { $sum: 1 }
}
},
{
$match: {
count: { $gte: 2 }
}
},
{ $sort : { count : -1} },
{ $limit : 100 }
]);
that give result s...
What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
... a remote server instead of copied down to the local system and is automatically referred to over the network when needed; at present, this is unique among DSCMs.
Both have some form of SVN integration available; however, bzr-svn is considerably more capable than git-svn, largely due to backend for...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...lic/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
a9:8a:3a:3d:64:eb:0b:de:94:a5:92:e4:ba:5d:f3:de root@gfs_1
The key's rand...