大约有 34,900 项符合查询结果(耗时:0.0475秒) [XML]

https://stackoverflow.com/ques... 

Django dump data for a single model?

... the Tin Man 147k3131 gold badges192192 silver badges272272 bronze badges answered Jul 11 '09 at 7:19 simplyharshsimp...
https://stackoverflow.com/ques... 

How to check if a variable exists in a FreeMarker template?

I have a Freemarker template which contains a bunch of placeholders for which values are supplied when the template is processed. I want to conditionally include part of the template if the userName variable is supplied, something like: ...
https://stackoverflow.com/ques... 

How do I get a YouTube video thumbnail from the YouTube API?

...over HTTP too. Additionally, the slightly shorter hostname i3.ytimg.com works in place of img.youtube.com in the example URLs above. Alternatively, you can use the YouTube Data API (v3) to get thumbnail images. share ...
https://stackoverflow.com/ques... 

What's the difference between utf8_general_ci and utf8_unicode_ci?

...d UTF-8 implementation from early MySQL versions which remains only for backward compatibility. The fixed version was given the name utf8mb4. Note: Newer versions of MySQL have updated Unicode sorting rules, available under names such as utf8mb4_0900_ai_ci for equivalent rules based on Unicode 9.0 -...
https://stackoverflow.com/ques... 

How to simulate a button click using code?

How can I trigger a button click event using code in Android? I want to trigger the button click programmatically when some other event occurs. ...
https://stackoverflow.com/ques... 

How can I auto increment the C# assembly version via our CI platform (Hudson)?

...r.minor.* (as described in the AssemblyInfo file template.) You may be looking for a more comprehensive solution, though. EDIT (Response to the question in a comment): From AssemblyInfo.cs: // Version information for an assembly consists of the following four values: // // Major Version // ...
https://stackoverflow.com/ques... 

Does .NET have a way to check if List a contains all items in List b?

...st<T> b) { return !b.Except(a).Any(); } } This checks whether there are any elements in b which aren't in a - and then inverts the result. Note that it would be slightly more conventional to make the method generic rather than the class, and there's no reason to require List...
https://stackoverflow.com/ques... 

How to save username and password with Mercurial?

... You can make an auth section in your .hgrc or Mercurial.ini file, like so: [auth] bb.prefix = https://bitbucket.org/repo/path bb.username = foo bb.password = foo_passwd The ‘bb’ part is an arbitrary identifier and is used to mat...
https://stackoverflow.com/ques... 

Brew doctor says: “Warning: /usr/local/include isn't writable.”

... Take ownership of it and everything in it. Mac OS High Sierra or newer: (ty to Kirk in the comments below) $ sudo chown -R $(whoami) $(brew --prefix)/* Previous versions of macos: $ sudo chown -R $USER:admin /usr/local/inc...
https://stackoverflow.com/ques... 

How did I get a value larger than 8 bits in size from an 8-bit integer?

I tracked down an extremely nasty bug hiding behind this little gem. I am aware that per the C++ spec, signed overflows are undefined behavior, but only when the overflow occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefin...