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How do I kill background processes / jobs when my shell script exits?
...ation (works with bash). If you only want to kill background jobs, you can do
trap 'kill $(jobs -p)' EXIT
Watch out to use single ', to prevent the shell from substituting the $() immediately.
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How to use Single TextWatcher for multiple EditTexts?
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@breceivemail To be completely fair, "single TextWatcher" doesn't necessarily mean a single instance, could be a single class too.
– Malcolm
Apr 17 '16 at 22:14
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How to convert View Model into JSON object in ASP.NET MVC?
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In mvc3 with razor @Html.Raw(Json.Encode(object)) seems to do the trick.
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Advantages of Binary Search Trees over Hash Tables
...mber that Binary Search Trees (reference-based) are memory-efficient. They do not reserve more memory than they need to.
For instance, if a hash function has a range R(h) = 0...100, then you need to allocate an array of 100 (pointers-to) elements, even if you are just hashing 20 elements. If you we...
How do you Programmatically Download a Webpage in Java
... to be able to fetch a web page's html and save it to a String , so I can do some processing on it. Also, how could I handle various types of compression.
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How do I drop table variables in SQL-Server? Should I even do this?
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Table variables are automatically local and automatically dropped -- you don't have to worry about it.
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What does the “at” (@) symbol do in Python?
... at some Python code which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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How does one write code that best utilizes the CPU cache to improve performance?
.... If you have a regular access pattern, the hardware prefetcher is usually doing a very good job. And if your program doesn't display regular access patterns, you may improve things by adding prefetch instructions yourself.
Regrouping instructions in such a way that those that always miss in the ca...
Is string in array?
...is old, but I wanted the new readers to know that there is a new method to do this using generics and extension methods.
You can read my blog post to see more information about how to do this, but the main idea is this:
By adding this extension method to your code:
public static bool IsIn<T>...
How to delete or add column in SQLITE?
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Before doing this sequence and in cases where there are external tables referring to this table one must call PRAGMA foreign_keys=OFF. In this case, after doing this sequence one must call PRAGMA foreign_keys=ON in order to re-enabl...