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How to check if a string contains a substring in Bash
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You can use Marcus's answer (* wildcards) outside a case statement, too, if you use double brackets:
string='My long string'
if [[ $string == *"My long"* ]]; then
echo "It's there!"
fi
Note that spaces in the needle string need to be placed between double quotes, and the * wildcard...
HTML colspan in CSS
...f browser- and circumstance-specific caveats. Read, and make the best informed decision you can based on what you find.
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Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
I'm developing a web page in which I'm using Twitter's Bootstrap Framework and their Bootstrap Tabs JS . It works great except for a few minor issues, one of which is I do not know how go directly to a specific tab from an external link. For example:
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Difference between declaring variables before or in loop?
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Which is better, a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in the same place, in the narrowest scope possible...
What is the difference between LINQ ToDictionary and ToLookup
...e difference between LINQ ToDictionary and ToLookup? They seem to do the same thing.
2 Answers
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Using Mockito to mock classes with generic parameters
Is there a clean method of mocking a class with generic parameters? Say I have to mock a class Foo<T> which I need to pass into a method that expects a Foo<Bar> . I can do the following easily enough:
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Always pass weak reference of self into block in ARC?
...nce to it.
ad infinitum
Thus, those two objects will just hang around in memory for the life of the program even though they should, if everything were working properly, be deallocated.
So, what we're worried about is retain cycles, and there's nothing about blocks in and of themselves that crea...
ExecutorService, how to wait for all tasks to finish
...ner. In your parlance, you'll need to modify or wrap ComputeDTask to implement Callable<>, which can give you quite a bit more flexibility. Probably in your app there is a meaningful implementation of Callable.call(), but here's a way to wrap it if not using Executors.callable().
ExecutorSe...
On design patterns: When should I use the singleton?
The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.
19 Answers
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How do I find the install time and date of Windows?
..., but how can I find out (hopefully via an API/registry key) the install time and date of Windows?
19 Answers
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