大约有 3,300 项符合查询结果（耗时：0.0180秒） [XML]
Max length for client ip address [duplicate]
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For IPv4, you could get away with storing the 4 raw bytes of the IP address (each of the numbers between the periods in an IP address are 0-255, i.e., one byte). But then you would have to translate going in and out of the DB and that's messy.
IPv6 addresses are 128 bits...
Authoritative position of duplicate HTTP GET query keys
...ven, last-given, array-of-all, string-join-with-comma-of-all.
Suppose the raw request is:
GET /blog/posts?tag=ruby&tag=rails HTTP/1.1
Host: example.com
Then there are various options for what request.query['tag'] should yield, depending on the language or the framework:
request.query['tag']...
Titlecasing a string with exceptions
...y capitalized in the input.
the scripts assume that words with capitalized letters other than the first character are already correctly capitalized. This means they will leave a word like “iTunes” alone, rather than mangling it into “ITunes” or, worse, “Itunes”.
they skip over any words ...
I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
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Beware of the case of format pattern letters. Uppercase YYYY is incorrect. And we should no longer use SimpleDateFormat, it’s a notorious troublemaker of a class.
– Ole V.V.
Jun 30 at 5:46
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In Rails, how do you render JSON using a view?
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It would need to be <%= raw(@user.to_json) %> to avoid HTML escaping. What I do is that I rely on to_json as long as it gives me what I want, but when I want to do something else I template it with what is usually a { :blah => @user.the_blah }...
Update a record without first querying?
... that only support OpenQuery - lots of fun. Sometimes you absolutely need raw SQL to get the job done. Not always can you draw the code into isolation for testing. Its not a perfect world out there.
– barrypicker
Oct 3 '17 at 20:27
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Xcode “The private key for is not installed on this mac - distributing”
... the Certification Signing Request (CSR), followed the instructions to the letter to add it to my keychain access. and Uploaded the CSR.
Once the Certification was added, I made sure to rename the public and Private Keys, and added comments to the info box - so I could remember what I did.
Created a...
Split a String into an array in Swift?
..."
}
edit/update:
Swift 5 or later
For just splitting a string by non letter characters we can use the new Character property isLetter:
let fullName = "First Last"
let components = fullName.split{ !$0.isLetter }
print(components) // "["First", "Last"]\n"
...
How do I list one filename per output line in Linux?
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Use the -1 option (note this is a "one" digit, not a lowercase letter "L"), like this:
ls -1a
First, though, make sure your ls supports -1. GNU coreutils (installed on standard Linux systems) and Solaris do; but if in doubt, use man ls or ls --help or check the documentation. E.g.:...
Android: Test Push Notification online (Google Cloud Messaging) [closed]
... : key=your key //Google API KEY
Content-Type : application/json
JSON (raw) :
{
"registration_ids":["yours"],
"data": {
"Hello" : "World"
}
}
on success you will get
Response :
{
"multicast_id": 6506103988515583000,
"success": 1,
"failure": 0,
"canonical_ids": 0,
"...