大约有 44,000 项符合查询结果（耗时：0.0617秒） [XML]
What's an object file in C?
...object file is. What's the real difference between any other compiled file and an object file?
I would be glad if someone could explain in human language.
...
How do I pass a string into subprocess.Popen (using the stdin argument)?
...hing
other than None in the result tuple,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>
pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin
Warning Use communicate() rather than
stdin....
How can I select random files from a directory in bash?
I have a directory with about 2000 files. How can I select a random sample of N files through using either a bash script or a list of piped commands?
...
Please enter a commit message to explain why this merge is necessary, especially if it merges an upd
I am using Git. I did a pull from a remote repo and got an error message:
8 Answers
8
...
Ruby, !! operator (a/k/a the double-bang) [duplicate]
...including Ruby, ! will return the opposite of the boolean value of the operand. So when you chain two exclamation marks together, it converts the value to a boolean.
share
|
improve this answer
...
Auto start node.js server on boot
...e, it's called node-windows (npm, github, documentation). I've used before and worked like a charm.
var Service = require('node-windows').Service;
// Create a new service object
var svc = new Service({
name:'Hello World',
description: 'The nodejs.org example web server.',
script: 'C:\\path\\...
List vs List
...( aMap ); // Perfectly legal (adding a Map to a List of Maps)
// But maps and hashMaps are the same object, so this should be the same as
hashMaps.add( aMap ); // Should be illegal (aMap is not a HashMap)
So this is why a List of HashMaps shouldn't be a List of Maps.
...
How does lock work exactly?
...// body
}
finally
{
Monitor.Exit(temp);
}
In C# 4.0 this has changed and it is now generated as follows:
bool lockWasTaken = false;
var temp = obj;
try
{
Monitor.Enter(temp, ref lockWasTaken);
// body
}
finally
{
if (lockWasTaken)
{
Monitor.Exit(temp);
}
}
You c...
How to do an INNER JOIN on multiple columns
I'm working on a homework project and I'm supposed to perform a database query which finds flights either by the city name or the airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table.
...
Difference between .tagName and .nodeName
What is the difference between $('this')[0].nodeName and $('this')[0].tagName ?
4 Answers
...