大约有 43,000 项符合查询结果(耗时:0.0691秒) [XML]
How do I get the type of a variable?
In C++, how does one find the type of a variable?
10 Answers
10
...
How can I access and process nested objects, arrays or JSON?
I have a nested data structure containing objects and arrays. How can I extract the information, i.e. access a specific or multiple values (or keys)?
...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
In JDK 8 with lambda b93 there was a class java.util.stream.Streams.zip in b93 which could be used to zip streams (this is illustrated in the tutorial Exploring Java8 Lambdas. Part 1 by Dhananjay Nene ). This function :
...
JavaScript pattern for multiple constructors
I need different constructors for my instances. What is a common pattern for that?
9 Answers
...
Cookies vs. sessions
I started using PHP a couple of months ago. For the sake of creating a login system for my website, I read about cookies and sessions and their differences (cookies are stored in the user's browser and sessions on the server). At that time, I preferred cookies (and who does not like cookies?!) and j...
can't push to branch after rebase
We use git and have a master branch and developer branches. I need to add a new feature and then rebase the commits to master, then push master to CI server.
...
Should I use `import os.path` or `import os`?
According to the official documentation , os.path is a module. Thus, what is the preferred way of importing it?
6 Answer...
CASCADE DELETE just once
I have a Postgresql database on which I want to do a few cascading deletes. However, the tables aren't set up with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to
...
Split long commands in multiple lines through Windows batch file
How can I split long commands over multiple lines in a batch file?
5 Answers
5
...
Reorder / reset auto increment primary key
I have a MySQL table with an auto increment primary key. I deleted some rows in the middle of the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows.
...
