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创业公司倒闭大潮 教你正确烧钱速度？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...，及时调整资金策略，你才有可能在创业公司倒闭的大潮中取得难得的胜利。什么是一家创业公司的正确烧钱速度？这里没有简单答案，但是可以建立一个类似坐标轴的框架。以下是创业者需要知道的：
毛现金消耗率vs净现金...
How do I create a URL shortener?
I want to create a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
...
Why git can't remember my passphrase under Windows
...teps for Impatient Users Like Me
Enable the OpenSSH Authentication Agent service and make it start automatically.
Add your SSH key to the agent with ssh-add on the command line.
Test git integration, if it still asks for your passphrase, continue on.
Add the environment variable $ENV:GIT_SSH=C:\Wi...
catch all unhandled exceptions in ASP.NET Web Api
...application's HttpConfiguration, inside a config callback like so:
config.Services.Add(typeof(IExceptionLogger), new TraceExceptionLogger());
or directly:
GlobalConfiguration.Configuration.Services.Add(typeof(IExceptionLogger), new TraceExceptionLogger());
...
Spring Boot application as a Service
...o configure nicely Spring Boot application packaged as executable jar as a Service in the Linux system? Is this recommended approach, or should I convert this app to war and install it into Tomcat?
...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...closes the TCP/IP connection in the pool of connections that is managed by ServicePointManager. This means that each request with a new HttpClient requires re-establishing a new TCP/IP connection.
From my tests, using plain HTTP on a LAN, the performance hit is fairly negligible. I suspect this i...
Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...sier to combine with sh -c.
I use this in my ansible task
- name: create service database
shell: docker exec postgres sh -c '{ psql -U postgres -tc "SELECT 1" -d {{service_name}} &> /dev/null && echo -n 1; } || { psql -U postgres -c "CREATE DATABASE {{service_name}}"}'
register:...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...
ahh, so you're saying that in my statement: (((((realService findAllPresentations) get) first) votes) size) must be equalTo 2 - get, first, votes and size are all postfix operators, because they take no parameters? so I wonder what must, be and equalTo are...
...
Trouble comparing time with RSpec
...chive. I usually use it in composed Ruby Objects similar to this:
class MyService
attr_reader :time_evaluator, resource
def initialize(resource:, time_evaluator: ->{Time.now})
@time_evaluator = time_evaluator
@resource = resource
end
def call
# do some complex logic
res...
How can I determine installed SQL Server instances and their versions?
...qlcmd -L" was the only one that worked, and only if the SQL Server Browser Service was running. Is that to be expected?
– Matt
Sep 27 '08 at 9:32
...