大约有 30,000 项符合查询结果（耗时：0.0303秒） [XML]
MySQL, better to insert NULL or empty string?
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@Quassnoi ah sorry... I meant, why is it a bad practice to set driving number licence as unique...?
– cedbeu
Jun 3 '16 at 11:20
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Unsigned keyword in C++
...ese type modifiers is used by itself, a data type of int is assumed
This means that you can assume the author is using ints.
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How does RewriteBase work in .htaccess
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“come off the RewriteBase parameter” - did you mean the rewriteRule parameter? :)
– Kissaki
Mar 3 '12 at 11:58
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Is there a JSON equivalent of XQuery/XPath?
...I can used to find an item in [0].objects where id = 3?
I'll assume this means: find all JSON objects under the specified key with id == 3, no matter where the object may be. A corresponding jq query would be:
.[0].objects | .. | objects | select(.id==3)
where "|" is the pipe-operator (as in c...
jQuery selectors on custom data attributes using HTML5
...or is that you must set the data value by code for it to be selected. This means that for the above to work, defining the data in HTML is not enough. You must first do this:
$("li").first().data("company", "Microsoft");
This is fine for single page applications where you are likely to use $(...)....
How do I create a new Git branch from an old commit? [duplicate]
...s will create a new branch called 'justin' and check it out.
("check out" means "to switch to the branch")
git branch justin a9c146a09505837ec03b
This just creates the branch without checking it out.
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mongodb/mongoose findMany - find all documents with IDs listed in array
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The find function in mongoose is a full query to mongoDB. This means you can use the handy mongoDB $in clause, which works just like the SQL version of the same.
model.find({
'_id': { $in: [
mongoose.Types.ObjectId('4ed3ede8844f0f351100000c'),
mongoose.Types.ObjectId...
How can I read a text file in Android?
...d the text from a text file. In the code below, an exception occurs (that means it goes to the catch block). I put the text file in the application folder. Where should I put this text file (mani.txt) in order to read it correctly?
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Java Naming Convention with Acronyms [closed]
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Another good example is HTTPSID - did I mean HTTP SID or HTTPS ID... Therefore it should be written HttpSid or HttpsId respectively to better explain the meaning.
– Oz Edri
Feb 17 '16 at 8:33
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“Keep Me Logged In” - the best approach
...ll, let's do some math here. We're generating a 128 bit random token. That means that there are:
possibilities = 2^128
possibilities = 3.4 * 10^38
Now, to show how absurdly large that number is, let's imagine every server on the internet (let's say 50,000,000 today) trying to brute-force that num...