大约有 3,000 项符合查询结果（耗时：0.0152秒） [XML]
Initializing multiple variables to the same value in Java
...
Are these the same object? If I later do one = "cat" will two.equals("cat") return true?
– Aequitas
Sep 24 '15 at 5:48
...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...s app with postgres YAML and 'pg' gem in the Gemfile:
$ rails new my_application -d postgresql
2) Give it some CRUD functionality. If you're just seeing if postgres works, create a scaffold:
$ rails g scaffold cats name:string age:integer colour:string
3) As of rails 4.0.1 the -d postgresql op...
What's the best way to send a signal to all members of a process group?
...
kill -74313 -bash: kill: 74313: invalid signal specification If i add the kill -15 -GPID it worked perfectly.
– Adam Peck
Dec 24 '08 at 20:17
52
...
Automatic counter in Ruby for each?
...ample, if you want to map with an index or something like that) you can concatenate enumerators with the each_with_index method, or simply use with_index:
blahs.each_with_index.map { |blah, index| something(blah, index)}
blahs.map.with_index { |blah, index| something(blah, index) }
This is somet...
How do I put my website's logo to be the icon image in browser tabs?
... this on Gimp, Photoshop (with help of a plugin) or a website like Favicon.cc or RealFaviconGenerator.
Then, you have two ways of setting it up:
A) Placing it on the root folder/directory of your website (next to index.html)
with the name favicon.ico.
or
B) Link to it between the <head><...
Why is parenthesis in print voluntary in Python 2.7?
...effect when it comes to UTF-8.
>> greek = dict( dog="σκύλος", cat="γάτα" )
>> print greek['dog'], greek['cat']
σκύλος γάτα
>> print (greek['dog'], greek['cat'])
('\xcf\x83\xce\xba\xcf\x8d\xce\xbb\xce\xbf\xcf\x82', '\xce\xb3\xce\xac\xcf\x84\xce\xb1')
The last ...
What exceptions should be thrown for invalid or unexpected parameters in .NET?
...ed in are valid, but just not supported in this implementation. Imagine an FTP client, and you pass a command in that the client doesn’t support.
The trick is to throw the exception that best expresses why the method cannot be called the way it is. Ideally, the exception should be detailed about...
Will web browsers cache content over https
...ether or not IE decides to cache a resource.
WinINet only caches HTTP and FTP responses not HTTPS response.
https://msdn.microsoft.com/en-us/library/windows/desktop/aa383928%28v=vs.85%29.aspx
share
|
...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
...nd the issuing CA certificate, provided it is a URI of type ldap, http, or ftp.
Source
share
|
improve this answer
|
follow
|
...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
...
@Dan, don't forget to mark the answer as accepted (click the checkmark image on the left) if it solved your problem.
– zneak
Nov 15 '11 at 6:45
9
...