大约有 45,000 项符合查询结果（耗时：0.0608秒） [XML]
Case-insensitive search in Rails model
...ot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in Irb to see the difference: "$##" and '$##'. T...
How to move Jenkins from one PC to another
...evelopment PC. I installed it on my development PC, because I had limited knowledge on this tool; so I tested on it in my development PC. Now, I feel comfortable with Jenkins as my long term "partner" in the build process and would like to "move" this Jenkins to a dedicated server.
...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...f convertibility of method groups and delegate types, which is different.
Now that we've got that out of the way, we can walk through section 6.6 of the spec and see what we get.
To do overload resolution we need to first determine which overloads are applicable candidates. A candidate is applicab...
Function overloading by return type?
...nt join " ", localtime(); # printed "58 11 2 14 0 109 3 13 0" for me right now
print scalar localtime(); # printed "Wed Jan 14 02:12:44 2009" for me right now.
Every operator in Perl does something in scalar context and something in list context, and they may be different, as illustrated. (This i...
What does the ^ operator do in Java?
...Integer.parseInt as a programming exercise (^ denotes exponentiation from now on). The OP's intention was to compute 8*10^6 + 6*10^5 + 7*10^4 + 5*10^3 + 3*10^2 + 0*10^1 + 9*10^0 = 8675309; the next part of this answer addresses that exponentiation is not necessary for this task.
Horner's scheme
...
git working on two branches simultaneously
...
This should be the new accepted answer, since 2.5.X is now the recommended version, even for windows i.imgur.com/oQvUhVl.png git-scm.com/download/win
– RAnders00
Sep 4 '15 at 18:56
...
How should you build your database from source control?
... Do NOT copy data between the environments
How do you deal with potential differences between test and production environments in deployment scripts?
Use templates, so that actually you would produce different set of scripts for each environment (ex. references to external systems, linked databases,...
How to make node.js require absolute? (instead of relative)
...th the
node_modules/* trick, and then you can add your exceptions.
Now anywhere in your application you will be able to require('foo')
or require('bar') without having a very large and fragile relative
path.
If you have a lot of modules and want to keep them more separate from
the...
Quicksort vs heapsort
...ant, which
switches to heapsort when a bad case
is detected. If it is known in advance
that heapsort is going to be
necessary, using it directly will be
faster than waiting for introsort to
switch to it.
share
...
Apk location in New Android Studio
...ple who might search for answer to this same question, it is important to know what type of projects you are using in Studio.
Gradle
The default project type when creating new project, and the recommended one in general is Gradle.
For a new project called "Foo", the structure under the main folde...