大约有 43,000 项符合查询结果(耗时:0.0434秒) [XML]
How to check if a query string value is present via JavaScript?
..., but your code is really sloppy. Where are you curly braces? You should read "The Good Parts" where code written a style without curly braces has been proven to fail under certain conditions and produces confusion during maintenance.
– austin cheney
Aug 22 '...
How to convert an array of strings to an array of floats in numpy?
...
Well, if you're reading the data in as a list, just do np.array(map(float, list_of_strings)) (or equivalently, use a list comprehension). (In Python 3, you'll need to call list on the map return value if you use map, since map returns an ite...
abort: no username supplied (see “hg help config”)
...
On Windows, these configuration files are read:
- "<repo>\.hg\hgrc"
- "%USERPROFILE%\.hgrc"
- "%USERPROFILE%\Mercurial.ini"
- "%HOME%\.hgrc"
- "%HOME%\Mercurial.ini"
- "C:\Mercurial\Mercurial.ini"
- "HKEY_LOCAL_MACHINE\SOFTWARE\Mercurial"
- "<install-dir>...
What is the purpose of Looper and how to use it?
...I want to know what the Looper class does and also how to use it. I have read the Android Looper class documentation but I am unable to completely understand it.
I have seen it in a lot of places but unable to understand its purpose. Can anyone help me by defining the purpose of Looper and als...
Multiple queries executed in java in single statement
... to the database url. This is additional connection property to those if already exists some, like autoReConnect=true, etc.. Acceptable values for allowMultiQueries property are true, false, yes, and no. Any other value is rejected at runtime with an SQLException.
String dbUrl = "jdbc:mysql:///te...
How to handle multiple cookies with the same name?
... Thank you for digging this out from these damn RFCs! //why even bother reading them if no one is following these recommendations?..
– Rast
Sep 3 '14 at 7:00
3
...
Best Java obfuscator? [closed]
...mething. Everything is hackable. A smart developer using a smart IDE can already get far enough.
Well, you can find here a list. ProGuard is pretty good. I've used it myself, but only to "minify" Java code.
share
|...
ActiveRecord: size vs count
...
You should read that, it's still valid.
You'll adapt the function you use depending on your needs.
Basically:
if you already load all entries, say User.all, then you should use length to avoid another db query
if you haven't anythin...
Pull request vs Merge request
...
@stevemao can we access them? Are they really read only as we can resolve conflicts on them?
– Robert Koritnik
Dec 27 '15 at 9:41
12
...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
Preface : I'm looking for an explanation, not just a solution. I already know the solution.
4 Answers
...