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grep using a character vector with multiple patterns
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In addition to @Marek's comment about not including fixed==TRUE, you also need to not have the spaces in your regular expression. It should be "A1|A9|A6".
You also mention that there are lots of patterns. Assuming that they ar...
Exit codes in Python
I got a message saying script xyz.py returned exit code 0 . What does this mean?
13 Answers
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android edittext onchange listener
I know a little bit about TextWatcher but that fires on every character you enter. I want a listener that fires whenever the user finishes editing. Is it possible? Also in TextWatcher I get an instance of Editable but I need an instance of EditText . How do I get that?
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Stock ticker symbol lookup API [closed]
...just offers a simple symbol lookup service? i.e., input a company name and it will tell you the ticker symbol? I've tried just screen-scraping Google Finance, but after a little while it rate limits you and you have to enter a CAPTCHA. I'm trying to batch-lookup about 2000 ticker symbols. Any ideas?...
How can I index a MATLAB array returned by a function without first assigning it to a local variable
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It actually is possible to do what you want, but you have to use the functional form of the indexing operator. When you perform an indexing operation using (), you are actually making a call to the subsref function. So, even ...
When using a Settings.settings file in .NET, where is the config actually stored?
...e the saved settings to go back to the default state, but can't find where it's stored... any ideas?
10 Answers
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How to vertically center content with variable height within a div?
...ble. In my particular case, the height of the container div is fixed, but it would be great if there were a solution that would work in cases where the container has a variable height as well. Also, I would love a solution with no, or very little use of CSS hacks and/or non-semantic markup.
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How do you install Boost on MacOS?
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edited Mar 16 '16 at 3:13
Honest Abe
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Java: convert List to a String
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With Java 8 you can do this without any third party library.
If you want to join a Collection of Strings you can use the new String.join() method:
List<String> list = Arrays.asList("foo", "bar", "baz");
String joined =...
Use of “instanceof” in Java [duplicate]
I learned that Java has the instanceof operator. Can you elaborate where it is used and what are its advantages?
4 Answer...