大约有 40,000 项符合查询结果(耗时:0.0456秒) [XML]
Which is better, return value or out parameter?
...ery rare exception to this rule.)
Aside from anything else, it stops the caller from having to declare the variable separately:
int foo;
GetValue(out foo);
vs
int foo = GetValue();
Out values also prevent method chaining like this:
Console.WriteLine(GetValue().ToString("g"));
(Indeed, that...
htaccess redirect to https://www
...er be on and cause a rewrite loop. This is because your application is actually receiving plain HTTP traffic even though the client and the proxy/load balancer are using HTTPS. In these cases, check the X-Forwarded-Proto header instead of the %{HTTPS} variable. This answer shows the appropriate proc...
Check if a string matches a regex in Bash script
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Upvote, that allows to use it a little beyond than OP question, for sh, for example..
– Dereckson
Nov 23 '14 at 21:20
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How do I escape the wildcard/asterisk character in bash?
...From the bash manual quote removal is:
After the preceding expansions, all
unquoted occurrences of the characters
‘\’, ‘'’, and ‘"’ that did not result
from one of the above expansions are
removed.
So what happens is when you type the command directly into the command line,...
What's an Aggregate Root?
...repository.
The repository encapsulates access to child objects - from a caller's perspective it automatically loads them, either at the same time the root is loaded or when they're actually needed (as with lazy loading).
For example, you might have an Order object which encapsulates operations on...
How to convert a private key to an RSA private key?
...nk you! I was getting A client error (MalformedCertificate) occurred when calling the UploadServerCertificate operation: Unable to parse certificate. Please ensure the certificate is in PEM format. and running this on my private key fixed it!
– philfreo
Jun 19 ...
Persistent invalid graphics state error when using ggplot2
...cs and it didn't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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An invalid form control with name='' is not focusable
...ubmission (see Safari). The next developer or user with a browser that actually prevents form submission on clientside errors (see Chrome; even on hidden form elements) runs into the problem of an inaccessible form as one can't submit the form and doesn't get any message from the browser or site. Pr...
How should I copy Strings in Java?
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@GriffeyDog: I am reading the question less literally. What I am saying is that it is safe to give out references to a string object without fear that someone might modify the string.
– NPE
May 15 '12 at 20:12
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Purpose of asterisk before a CSS property
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All browsers but IE ignore the rules. It's known as the star hack. I think IE7 will ignore the rules in standards mode.
In this case, the font rule is set and then overridden for IE 6 and sometimes 7.
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