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Bootstrap modal appearing under background

...tive position this behavior will occur. Make sure the modal container and all of its parent elements are positioned the default way to fix the problem. Here are a couple ways to do this: Easiest way is to just move the modal div so it is outside any elements with special positioning. One good p...
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Volatile vs Static in Java

Is it correct to say that static means one copy of the value for all objects and volatile means one copy of the value for all threads? ...
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How do I get a list of all subdomains of a domain? [closed]

I want to find out all the subdomains of a given domain. I found a hint which tells me to dig the authoritative Nameserver with the following option: ...
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How to use JUnit and Hamcrest together?

...reMatchers . At the same time there are some other matchers in hamcrest-all-1.1.jar in org.hamcrest.Matchers . So, where to go? Shall I explicitly include hamcrest JAR into the project and ignore matchers provided by JUnit? ...
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Android Studio Collapse definitions and methods

How can I collapse all definitions and methods within the Android Studio editor? 14 Answers ...
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?

How do you view ALL text from an NTEXT or NVARCHAR(max) in SQL Server Management Studio? By default, it only seems to return the first few hundred characters (255?) but sometimes I just want a quick way of viewing the whole field, without having to write a program to do it. Even SSMS 2012 still has...
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List comprehension in Ruby

... If you really want to, you can create an Array#comprehend method like this: class Array def comprehend(&block) return self if block.nil? self.collect(&block).compact end end some_array = [1, 2, 3, 4, 5, 6] new_ar...
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How can I see the size of files and directories in linux? [closed]

... files and directories in Linux? If use df -m , then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I check the size? ...
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How to read data when some numbers contain commas as thousand separator?

...u can have read.table or read.csv do this conversion for you semi-automatically. First create a new class definition, then create a conversion function and set it as an "as" method using the setAs function like so: setClass("num.with.commas") setAs("character", "num.with.commas", function(...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

... skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From my brief research all of them typically impl...