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How to call function from another file in go language?
...run as a grouped package, where the files know about eachothers functions, etc. Example:
go build ./
OR
go build test1.go test2.go
OR
go build *.go
And then afterward simply calling the executable from the command line will give you a similar output to using the run command when you ran all the file...
Vagrant stuck connection timeout retrying
... startup to select whether I wanted to boot directly to ubuntu or safemode etc.
To turn on the GUI you have to put this in your vagrant config Vagrantfile:
config.vm.provider :virtualbox do |vb|
vb.gui = true
end
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What is the purpose of class methods?
...vel function that operates on MyClass (factory, dependency injection stub, etc), make it a classmethod. Then it'll be available to subclasses.
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How does Google calculate my location on a desktop?
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see my comment below: they run client code (in Chrome etc), so google don't access your router, but the client browser can access your wireless card and determine what wireless networks are nearby.
– pxb
Nov 3 '09 at 16:28
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Case insensitive searching in Oracle
The default behaviour of LIKE and the other comparison operators, = etc is case-sensitive.
6 Answers
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What does [:] mean?
... be of value to raise dead questions. Different insight, different wording etc. In this case you corrected the answer and they hopefully learnt something too.
– Pryftan
Apr 19 at 15:17
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Difference between pre-increment and post-increment in a loop?
...ser defined type with an overridden ++ operator. For primitive types (int, etc) there's no performance difference. But, it's worth sticking to the pre-increment operator as a guideline unless the post-increment operator is definitely what's required.
There's some more discussion here.
In C++ if you'...
Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...s possible; if a connection is not available (wrong hostname, network down etc), the script will attempt to create the database and will fail with possibly confusing error message
– Oliver
Jan 12 at 14:43
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Android - Handle “Enter” in an EditText
...e thing as the onClick method for your Submit (or OK, Confirm, Send, Save, etc) button.
public boolean onEditorAction(TextView exampleView, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_NULL
&& event.getAction() == KeyEvent.ACTION_DOWN) {
example_confirm()...
What is the fastest way to send 100,000 HTTP requests in Python?
...and I found this to work the best for me using python3.6.
I was able to fetch about ~150 unique domains per second running on AWS.
import pandas as pd
import concurrent.futures
import requests
import time
out = []
CONNECTIONS = 100
TIMEOUT = 5
tlds = open('../data/sample_1k.txt').read().splitli...