大约有 41,000 项符合查询结果(耗时:0.0600秒) [XML]

https://stackoverflow.com/ques... 

Closing Hg Branches

...pment has come to a dead end, and I don't want to be bothered with it any more. Therefore, when a branch has been closed I shouldn't see it (in branches, heads, log, for instance) unless I explicitly ask to see closed branches. I should note that I expect a closed branch to remain in the repo...
https://stackoverflow.com/ques... 

How to drop multiple columns in postgresql

... Does not work for me. I get: ERROR: 42601: syntax error at or near "," – Audrey Nov 5 '14 at 12:12 9 ...
https://stackoverflow.com/ques... 

AngularJS: ng-repeat list is not updated when a model element is spliced from the model array

I have two controllers and share data between them with an app.factory function. 5 Answers ...
https://stackoverflow.com/ques... 

How to dynamically build a JSON object with Python?

... You build the object before encoding it to a JSON string: import json data = {} data['key'] = 'value' json_data = json.dumps(data) JSON is a serialization format, textual data representing a structure. It is not, itself, that structure. ...
https://stackoverflow.com/ques... 

bash HISTSIZE vs. HISTFILESIZE?

... Short answer: HISTSIZE is the number of lines or commands that are stored in memory in a history list while your bash session is ongoing. HISTFILESIZE is the number of lines or commands that (a) are allowed in the history fil...
https://stackoverflow.com/ques... 

How do I delete/remove a shell function?

... In Zsh: unfunction z That's another (arguably better) name for unhash -f z or unset -f z and is consistent with the rest of the family of: unset unhash unalias unlimit unsetopt When in doubt with such things, type un<tab> to see the complete list. (Slightly related: It's al...
https://stackoverflow.com/ques... 

How to tell if browser/tab is active [duplicate]

...called every second that I only want to run if the current page is in the foreground, i.e. the user hasn't minimized the browser or switched to another tab. It serves no purpose if the user isn't looking at it and is potentially CPU-intensive, so I don't want to just waste cycles in the background. ...
https://stackoverflow.com/ques... 

jQuery ID starts with

...s my jQuery code. I am trying to use a JavaScript variable when searching for items. But it does not work. What am I missing below? So the id 'value' am searching is the value of the clicked element ...
https://stackoverflow.com/ques... 

Bash/sh - difference between && and ;

I normally use ; to combine more than one command in a line, but some people prefer && . Is there any difference? For example, cd ~; cd - and cd ~ && cd - seems to make the same thing. What version is more portable, e.g. will be supported by a bash-subset like Android's shell ...
https://stackoverflow.com/ques... 

How to extract custom header value in Web API message handler?

...lues = request.Headers.GetValues("MyCustomID"); var id = headerValues.FirstOrDefault(); There's also a TryGetValues method on Headers you can use if you're not always guaranteed to have access to the header. share ...