大约有 5,240 项符合查询结果（耗时：0.0270秒） [XML]
What is the difference between a 'closure' and a 'lambda'?
Could someone explain? I understand the basic concepts behind them but I often see them used interchangeably and I get confused.
...
How to check if an object is a list or tuple (but not string)?
This is what I normally do in order to ascertain that the input is a list / tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
...
Paste multiple columns together
I have a bunch of columns in a dataframe which I want to paste together (seperated by "-") as follows:
10 Answers
...
How to export and import a .sql file from command line with options? [duplicate]
Not Duplicate! looking for some feature have phpmyadmin during export in command line
8 Answers
...
How to get browser width using JavaScript code?
I am trying to write a JavaScript function to get the current browser width.
8 Answers
...
How to show first commit by 'git log'?
I have a project which has long history. I want to show the first commit on git.
6 Answers
...
Inserting a Python datetime.datetime object into MySQL
I have a date column in a MySQL table. I want to insert a datetime.datetime() object into this column. What should I be using in the execute statement?
...
Number of rows affected by an UPDATE in PL/SQL
I have a PL/SQL function (running on Oracle 10g) in which I update some rows. Is there a way to find out how many rows were affected by the UPDATE? When executing the query manually it tells me how many rows were affected, I want to get that number in PL/SQL.
...
Which Visual C++ file types should be committed to version control?
Which Visual Studio \ Visual C++ file types should be committed to version control?
In my project I have the following file types:
...
Best Timer for using in a Windows service
I need to create some windows service which will execute every N period of time.
The question is:
Which timer control should I use: System.Timers.Timer or System.Threading.Timer one? Does it influence on something?
...