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Difference between git pull --rebase and git pull --ff-only
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What will happen if I use git pull --rebase ?
git pull --rebase is roughly equivalent to
git fetch
git rebase origin/master
i.e. your remote changes (C) will be applied before the local changes (D), resulting in the following tree
A -- ...
How to send an object from one Android Activity to another using Intents?
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If you're just passing objects around then Parcelable was designed for this. It requires a little more effort to use than using Java's native serialization, but it's way faster (and I mean way, WAY faster).
From the docs, a ...
Use of an exclamation mark in a Git commit message via the command line
...tes instead of double quotes
git commit -am 'Nailed it!'
Alternatively, if you need to use double quotes for whatever reason but still want a literal ! then turn off history expansion at the top of your script via set +H
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Proper way to rename solution (and directories) in Visual Studio
...file method below (references disappearing), but it can result in problems if your project is under source control (see notes below). This is why step 2 (backup) is so important.
Close Visual Studio.
Create a backup of your .sln file (you can always roll back).
Imagine you want to rename director...
install / uninstall APKs programmatically (PackageManager vs Intents)
... As I said, these are not available to third party applications. If you are making your own system image, you have the platform implementation, and you can find the functions there, but they are not part of the APIs available to normal third party apps.
– hackbod
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Make a Bash alias that takes a parameter?
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If you are changing an alias to a function, sourceing your .bashrc will add the function but it won't unalias the old alias. Since aliases are higher precedent than functions, it will try to use the alias. You need to eithe...
How to escape a single quote inside awk
... The sequence '\'' does the trick: it closes the single-quote literal, specifies the quote character (using an escape that is supported outside of single-quote literals) and then re-opens a new single-quote literal. You can think of it as a four-character escape sequence to get a single quote. :)
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How to check if a variable is null or empty string or all whitespace in JavaScript?
I need to check to see if a variable is null or has all empty spaces or is just blank ("").
12 Answers
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Reverse a string in Python
... It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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How to retrieve the LoaderException property?
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try
{
// load the assembly or type
}
catch (Exception ex)
{
if (ex is System.Reflection.ReflectionTypeLoadException)
{
var typeLoadException = ex as ReflectionTypeLoadException;
var loaderExceptions = typeLoadException.LoaderExceptions;
}
}
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