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How to see what will be updated from repository before issuing “svn update” command?
...ated (without actually updating), run
command:
$ svn merge --dry-run -r BASE:HEAD .
if you want to know what content of a particular file has been changed in svn
server repository compared with your working copy, run command:
$ svn diff -r BASE:HEAD ./pathToYour/file
if you want to know wh...
How to concatenate two strings to build a complete path
...
#!/bin/bash
read -p "Enter a directory: " BASEPATH
SUBFOLD1=${BASEPATH%%/}/subFold1
SUBFOLD2=${BASEPATH%%/}/subFold2
echo "I will create $SUBFOLD1 and $SUBFOLD2"
# mkdir -p $SUBFOLD1
# mkdir -p $SUBFOLD2
And if you want to use readline so you get completion and ...
How do I check (at runtime) if one class is a subclass of another?
...more complete example with some assertions:
#!/usr/bin/env python3
class Base:
pass
class Derived(Base):
pass
base = Base()
derived = Derived()
# Basic usage.
assert issubclass(Derived, Base)
assert not issubclass(Base, Derived)
# True for same object.
assert issubclass(Base, Base)
# ...
Base64: What is the worst possible increase in space usage?
If a server received a base64 string and wanted to check it's length before converting,, say it wanted to always permit the final byte array to be 16KB. How big could a 16KB byte array possibly become when converted to a Base64 string (assuming one byte per character)?
...
BCL (Base Class Library) vs FCL (Framework Class Library)
...
The Base Class Library (BCL) is literally that, the base. It contains basic, fundamental types like System.String and System.DateTime.
The Framework Class Library (FCL) is the wider library that contains the totality: ASP.NET, ...
Why is Node.js single threaded? [closed]
In PHP (or Java/ASP.NET/Ruby) based webservers every client request is instantiated on a new thread. But in Node.js all the clients run on the same thread (they can even share the same variables!) I understand that I/O operations are event-based so they don't block the main thread loop.
...
Can I set the height of a div based on a percentage-based width? [duplicate]
Let's say I've got a div that has a width of 50% of the body. How do I make its height equal to that value? So that when the browser window is 1000px wide, the div's height and width are both 500px.
...
How to do case insensitive string comparison?
...tivity: 'accent' } tells localeCompare() to treat two variants of the same base letter as the same unless they have different accents (as in the third example) above.
Alternatively, you can use { sensitivity: 'base' }, which treats two characters as equivalent as long as their base character is the...
What is token-based authentication?
I want to understand what token-based authentication means. I searched the internet but couldn't find anything understandable.
...
Rails 3 execute custom sql query without a model
I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3
5 Answe...