大约有 26,000 项符合查询结果（耗时：0.0402秒） [XML]
Difference between Pragma and Cache-Control headers?
I read about Pragma header on Wikipedia which says:
3 Answers
3
...
Bash variable scope
Please explain to me why the very last echo statement is blank? I expect that XCODE is incremented in the while loop to a value of 1:
...
Is it bad practice to have a constructor function return a Promise?
I'm trying to create a constructor for a blogging platform and it has many async operations going on inside. These range from grabbing the posts from directories, parsing them, sending them through template engines, etc.
...
Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
...
Why XML-Serializable class need a parameterless constructor
I'm writing code to do Xml serialization. With below function.
4 Answers
4
...
What is the recommended approach towards multi-tenant databases in MongoDB?
I'm thinking of creating a multi-tenant app using MongoDB. I don't have any guesses in terms of how many tenants I'd have yet, but I would like to be able to scale into the thousands.
...
Why am I merging “remote-tracking branch 'origin/develop' into develop”?
I'm the only one in my organization who's making commits with the following message:
2 Answers
...
Selector on background color of TextView
I'm attempting to change the background color of an Android TextView widget when the user touches it. I've created a selector for that purpose, which is stored in res/color/selector.xml and roughly looks like that:
...
How do you specify the Java compiler version in a pom.xml file?
I wrote a maven code on netbeans that has approximately more than 2000 lines. When I compile it on netbeans, everything is fine, but if I want to run it on command line, I will get these errors:
...
How can I assign an ID to a view programmatically?
In an XML file, we can assign an ID to a view like android:id="@+id/something" and then call findViewById() , but when creating a view programmatically, how do I assign an ID?
...