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How to create a new database after initally installing oracle database 11g Express Edition?
I have installed Oracle Database 11g Express Edition on my pc (windows 7)
and I have installed Oracle SQL Developer as well.
...
How do I get the number of days between two dates in JavaScript?
How do I get the number of days between two dates in JavaScript? For example, given two dates in input boxes:
37 Answers
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How could I use requests in asyncio?
...EventLoop.run_in_executor to run a function in another thread and yield from it to get the result. For example:
import asyncio
import requests
@asyncio.coroutine
def main():
loop = asyncio.get_event_loop()
future1 = loop.run_in_executor(None, requests.get, 'http://www.google.com')
futu...
How can I get a collection of keys in a JavaScript dictionary? [duplicate]
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Use Object.keys() or shim it in older browsers...
const keys = Object.keys(driversCounter);
If you wanted values, there is Object.values() and if you want key and value, you can use Object.entries(), often paired with Array.prototype.forEach() li...
Best way to make Java's modulus behave like it should with negative numbers?
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It behaves as it should a % b = a - a / b * b; i.e. it's the remainder.
You can do (a % b + b) % b
This expression works as the result of (a % b) is necessarily lower than b, no matter if a is positive or negative. Adding b takes care of the negative values of a, since (a % b) is a n...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
I recently created a simple application for testing the HTTP call throughput that can be generated in an asynchronous manner vs a classical multithreaded approach.
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...nt interview, I was asked a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while c...
数据结构、算法复杂度一览表 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
数据结构、算法复杂度一览表Know-Thy-Complexities常用算法、数据结构复杂度一览表。来源：http://bigocheatsheet.com/
搜索算法(来源)
算法
数据结构
时间复杂度
空间复杂度
平均
最差
最差
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Hidden Features of Xcode
With a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
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Simplest way to do a fire and forget method in c# 4.0
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Not an answer for 4.0, but worth noting that in .Net 4.5 you can make this even simpler with:
#pragma warning disable 4014
Task.Run(() =>
{
MyFireAndForgetMethod();
}).ConfigureAwait(false);
#pragma warning restore 4014
The pragma is to disable the warning that tells you you're r...