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String concatenation in Ruby
...trings you often can gain performance by appending the strings to an array and then at the end put the string together atomically. Then << could be useful?
– PEZ
Dec 18 '08 at 13:12
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Why do some functions have underscores “__” before and after the function name?
This "underscoring" seems to occur a lot, and I was wondering if this was a requirement in the Python language, or merely a matter of convention?
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How do I delete unpushed git commits?
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And make sure HEAD~1 is the commit... You could also do git reset --hard origin
– Daenyth
Jul 7 '10 at 17:53
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Is there any connection string parser in C#?
I have a connection string and I want to be able to peek out for example "Data Source".
Is there a parser, or do I have to search the string?
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ASP.NET Bundles how to disable minification
I have debug="true" in both my web.config(s) , and I just don't want my bundles minified, but nothing I do seems to disable it. I've tried enableoptimisations=false , here is my code:
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Insert auto increment primary key to existing table
...a into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot.
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java.lang.IllegalStateException: The specified child already has a parent
...ing the return statement should solve your problem.
You can keep the code and return the view if you don't want to regenerate view data, and onDestroyView() method you remove this view from its parent like so:
@Override
public void onDestroyView() {
super.onDestroyView();
i...
Trigger change() event when setting 's value with val() function
What is the easiest and best way to trigger change event when setting the value of select element.
5 Answers
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install / uninstall APKs programmatically (PackageManager vs Intents)
My application installs other applications, and it needs to keep track of what applications it has installed. Of course, this could be achieved by simply keeping a list of installed applications. But this should not be necessary! It should be the responsibility of the PackageManager to maintain the ...
Example for boost shared_mutex (multiple reads/one write)?
I have a multithreaded app that has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updat...