大约有 18,500 项符合查询结果（耗时：0.0340秒） [XML]
Is there auto type inferring in Java?
...: var is not a keyword! From the JLS: "var is not a keyword, but rather an identifier with special meaning as the type of a local variable declaration". Thus, unlike keywords, there is nothing to stop you calling a variable or a method "var".
– Klitos Kyriacou
...
Variable interpolation in the shell
...ap.sh
or
${filepath}_newstap.sh
or
$filepath\_newstap.sh
_ is a valid character in identifiers. Dot is not, so the shell tried to interpolate $filepath_newstap.
You can use set -u to make the shell exit with an error when you reference an undefined variable.
...
How to create index in Entity Framework 6.2 with code first
...he migration file created by stating clusered:false in .Primarykey(x=>x.id,clustered:false) method
– Joy
May 10 '14 at 16:12
8
...
How do you exit from a void function in C++?
...ou prematurely exit from a function without returning a value if it is a void function? I have a void method that needs to not execute its code if a certain condition is true. I really don't want to have to change the method to actually return a value.
...
How to search through all Git and Mercurial commits in the repository for a certain string?
...flog. I don't know how common this is. I was trying out different hg/git bridges. I think it can also arise with dropped stashes. In any case, this alias works nicely to catch those cases: !git fsck --unreachable | sed -ne 's/^unreachable commit //p' | xargs git log --no-walk
–...
C++ multiline string literal
...teral as "
"usual.";
The indentation doesn't matter, since it's not inside the quotes.
You can also do this, as long as you take care to escape the embedded newline. Failure to do so, like my first answer did, will not compile:
const char *text2 =
"Here, on the other hand, I've gone crazy \...
iOS: how to perform a HTTP POST request?
...ify a POST request and/or HTTP headers, use NSMutableURLRequest with
(void)setHTTPMethod:(NSString *)method
(void)setHTTPBody:(NSData *)data
(void)setValue:(NSString *)value forHTTPHeaderField:(NSString *)field
Send your request in 2 ways using NSURLConnection:
Synchronously: (NSData *)sendSyn...
How to get a json string from url?
... = new WebClient().DownloadString("url");
Keep in mind that WebClient is IDisposable, so you would probably add a using statement to this in production code. This would look like:
using (WebClient wc = new WebClient())
{
var json = wc.DownloadString("url");
}
...
JSLint: was used before it was defined
...very single file. That's an enormous amount of work for something that provides no benefit. You might as well simply disable that check in JSLint.
– Cerin
Feb 21 '16 at 19:50
...
Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
... Jan 18 '14 at 0:40
James HenstridgeJames Henstridge
34.5k55 gold badges105105 silver badges9797 bronze badges
...