大约有 18,000 项符合查询结果（耗时：0.0392秒） [XML]
HttpURLConnection timeout settings
I want to return false if the URL takes more then 5 seconds to connect - how is this possible using Java? Here is the code I am using to check if the URL is valid
...
Entity framework linq query Include() multiple children entities
This may be a really elementry question but whats a nice way to include multiple children entities when writing a query that spans THREE levels (or more)?
...
ASP.NET MVC: Is Controller created for every request?
Very simple question: Are controllers in ASP.NET created for every HTTP request, or are they created at applim>cat m>ion startup and reused throughout requests?
...
Can you call ko.applyBindings to bind a partial view?
I'm using KnockoutJS and have a main view and view model. I want a dialog (the jQuery UI one) to popup with another view which a separate child view model to be bound to.
...
What is the difference between square brackets and parentheses in a regex?
...
These regexes are equivalent (for matching purposes):
/^(7|8|9)\d{9}$/
/^[789]\d{9}$/
/^[7-9]\d{9}$/
The explanation:
(a|b|c) is a regex "OR" and means "a or b or c", although the presence of brackets, necessary for the OR, also captures the digit. To ...
Fragment or Support Fragment?
I am developing an app that supports Android >= 4.0. It uses fragments from the android.app package. As I am facing problems with the older fragment implementation in 4.0, like this one , that are already fixed in the support library, I am considering switching back to the fragment implementation...
'const string' vs. 'static readonly string' in C#
...
When you use a const string, the compiler embeds the string's value at compile-time.
Therefore, if you use a const value in a different assembly, then update the original assembly and change the value, the other assembly won't see the change until you re-compi...
How to create a new database using SQLAlchemy?
Using SQLAlchemy, an Engine object is created like this:
4 Answers
4
...
When to use pip requirements file versus install_requires in setup.py?
I'm using pip with virtualenv to package and install some Python libraries.
4 Answers
...
Suppress command line output
I have a simple batch file like this:
4 Answers
4
...