大约有 16,317 项符合查询结果（耗时：0.0300秒） [XML]
Spark java.lang.OutOfMemoryError: Java heap space
My cluster: 1 master, 11 slaves, each node has 6 GB memory.
12 Answers
12
...
How to get a time zone from a location using latitude and longitude coordinates?
There are too many questions on StackOverflow about resolving a time zone from a location. This community wiki is an attempt at consolidating all of the valid responses.
...
Difference in months between two dates
How to calculate the difference in months between two dates in C#?
40 Answers
40
...
What is the purpose of a self executing function in javascript?
...ion. This allows code to be written without concern of how variables are named in other blocks of JavaScript code.
For example, as mentioned in a comment by Alexander:
(function() {
var foo = 3;
console.log(foo);
})();
console.log(foo);
This will first log 3 and then throw an ...
What does 'synchronized' mean?
I have some questions regarding the usage and significance of the synchronized keyword.
17 Answers
...
How to edit log message already committed in Subversion?
Is there a way to edit the log message of a certain revision in Subversion? I accidentally wrote the wrong filename in my commit message which could be confusing later.
...
When and how should I use a ThreadLocal variable?
...
One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance of the object.
For...
NodeJS - Error installing with NPM
I am installing a certain NodeJS script - Caress . But i am not unable to. I am using Windows 8.1, can anyone tell me what is the problem i am facing, and why is this installation not working. There seems to be a problem with the buffertools dependency, thats far as i can think. Dont know how maybe...
Is Disney's FastPass Valid and/or Useful Queue Theory
At Disney World, they use a system called Fastpass to create a second, shorter line for popular rides. The idea is that you can wait in the standard line, often with a wait longer than an hour, or you can get a FastPass which allows you to come back during a specified time block (usually a couple...
Why is “using namespace std;” considered bad practice?
I've been told by others that writing using namespace std; in code is wrong, and that I should use std::cout and std::cin directly instead.
...