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How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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When to delete branches in Git?
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You can safely remove a branch with git branch -d yourbranch. If it contains unmerged changes (ie, you would lose commits by deleting the branch), git will tell you and won't delete it.
So, deleting a merged branch is cheap and won't make you lose any hist...
How to round a number to significant figures in Python
...gt;> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
...
>>> round_to_1(0.0232)
0.02
>>> round_to_1(1234243)
1000000.0
>>&g...
New Array from Index Range Swift
...st = [1, 2, 3]
var n = 2
var test2 = test[0..<n]
Your issue could be with how you're declaring your array to begin with.
EDIT:
To fix your function, you have to cast your Slice to an array:
func aFunction(numbers: Array<Int>, position: Int) -> Array<Int> {
var newNumbers =...
Error to run Android Studio
...rectly
dpkg --list | grep -i jdk
If not, install JDK
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update && sudo apt-get install oracle-java8-installer
After the installation you have to enable the jdk
update-alternatives --display java
Check if Ubuntu uses Java JDK 8
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Adding new column to existing DataFrame in Python pandas
I have the following indexed DataFrame with named columns and rows not- continuous numbers:
24 Answers
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Getting the object's property name
...follow
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edited Aug 10 '18 at 7:22
Eric
4,19244 gold badges3636 silver badges5757 bronze badges
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Android: How to put an Enum in a Bundle?
...follow
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edited Mar 24 at 17:52
answered Mar 15 '11 at 9:48
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HTML input - name vs. id [duplicate]
...aScript and PHP can see the URL there are workarounds
Is referenced in JS with getElementsByName()
Shares the same namespace as the id attribute
Must begin with a letter
According to specs is case sensitive, but most modern browsers don't seem to follow this
Used on form elements to submit informati...
Sending HTML email using Python
...email: Examples:
Here’s an example of how to create an HTML message with an alternative plain text version:
#! /usr/bin/python
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
# me == my email address
# you == recipient's email address
me ...