大约有 48,000 项符合查询结果(耗时:0.0636秒) [XML]

https://stackoverflow.com/ques... 

Is it secure to store passwords as environment variables (rather than as plain text) in config files

I work on a few apps in rails, django (and a little bit of php), and one of the things that I started doing in some of them is storing database and other passwords as environment variables rather than plain text in certain config files (or in settings.py, for django apps). ...
https://stackoverflow.com/ques... 

Passing two command parameters using a WPF binding

I have a command which I am executing from my XAML file using the following standard syntax: 5 Answers ...
https://stackoverflow.com/ques... 

How can I ignore everything under a folder in Mercurial

... I did some experiments and I found that the regex syntax on Windows applies to the path starting with the current repository, with backslashes transformed to slashes. So if your repository is in E:\Dev for example, hg status will apply the pattern...
https://stackoverflow.com/ques... 

Add custom headers to WebView resource requests - android

...or adding headers to resources loading requests, make custom WebViewClient and override: API 24+: WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) or WebResourceResponse shouldInterceptRequest(WebView view, String url) ...
https://stackoverflow.com/ques... 

Is there a version of JavaScript's String.indexOf() that allows for regular expressions?

... is seems to mimic lastIndexOf() now. Please let me know if it still fails and under what circumstances. UPDATE: Passes all tests found on in comments on this page, and my own. Of course, that doesn't mean it's bulletproof. Any feedback appreciated. ...
https://stackoverflow.com/ques... 

How to count the number of true elements in a NumPy bool array

... numpy)? If it is not guaranteed, I will add a check, 'if True==1:' beforehand. About count_nonzero(..), unfortunately, it seems not implemented in my numpy module at version 1.5.1, but I may have a chance to use it in the future. – norio Dec 3 '11 at 1:52 ...
https://stackoverflow.com/ques... 

Maximum length for MD5 input/output

...mum length of the string that can have md5 hashed? Or: If it has no limit, and if so what will be the max length of the md5 output value? ...
https://stackoverflow.com/ques... 

What is SELF JOIN and when would you use it? [duplicate]

What is self join and when would you use it? I don't understand self joins so a layman explanation with an example would be great. ...
https://stackoverflow.com/ques... 

How many database indexes is too many?

...nds on the operations that occur on the table. If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up. If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since they all ...
https://stackoverflow.com/ques... 

How to persist a property of type List in JPA?

... My mistake was to add @ OneToMany annotation as well... after removing it and just leaving @ ElementCollection it worked – Willi Mentzel Jun 13 '17 at 13:41 add a comment ...