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Check if a string matches a regex in Bash script
...=~ ^regex$ ]] && echo "matched" || echo "did not match"
where commands after && are executed if the test is successful, and commands after || are executed if the test is unsuccessful.
Note this is based on the solution by Aleks-Daniel Jakimenko in User input date format verification...
Pretty git branch graphs
I've seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history?
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WPF Data Binding and Validation Rules Best Practices
...plex.com), which includes a demo of best practices validation in WPF+MVVM, and uses IDataErrorInfo
– Mark Heath
Sep 4 '09 at 6:37
3
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How can I explode and trim whitespace?
... to append to the end of a file...once I decided to break it into an array and rewrite the file, I saw that there was extra whitespace being added the whole time... this + implode saved my freaking life..I can go eat food now.
– jenki221
May 29 '15 at 20:30
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Declaring abstract method in TypeScript
...The name property is marked as protected. This was added in TypeScript 1.3 and is now firmly established.
The makeSound method is marked as abstract, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live....
How to prevent the activity from loading twice on pressing the button
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In the button's event listener, disable the button and show another activity.
Button b = (Button) view;
b.setEnabled(false);
Intent i = new Intent(this, AnotherActitivty.class);
startActivity(i);
Override onResume() to re-enable the button.
@Override
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How can I get Git to follow symlinks?
...now out-dated as per comment since Git 1.6.1. Git used to behave this way, and no longer does.
Git by default attempts to store symlinks instead of following them (for compactness, and it's generally what people want).
However, I accidentally managed to get it to add files beyond the symlink whe...
Why does Google +1 record my mouse movements? [closed]
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It appears to be seeding a random number generator with your mouse movements.
The mouse move handler itself does something along the lines of the following:
var b = ((event.X << 16) + event.Y) * (new Date().getTime() % 1000000);
c = c * b % d;
i...
Java Naming Convention with Acronyms [closed]
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Since it looks like the answer is that there is no single standard for this in Java, I'd like to note that the .NET Framework Design Guidelines do specify this.
Now before slamming me for being off topic, please remember that the class naming guidelines for Java and the .NET Framewo...
Has anyone actually implemented a Fibonacci-Heap efficiently?
...g/fibonacci_heap.hpp. This file has apparently been in pending/ for years and by my projections will never be accepted. Also, there have been bugs in that implementation, which were fixed by my acquaintance and all-around cool guy Aaron Windsor. Unfortunately, most of the versions of that file th...