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What is the difference between ~> and >= when specifying rubygem in Gemfile?
...t the last digit in the version provided and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to:
gem "cucumber", ">=0.8.5", "<0.9.0"
The easy way to think about it is that you're okay with the last digit incrementing to some arbitrary value, but the ones...
Debugging Scala code with simple-build-tool (sbt) and IntelliJ
...of command line arguments for running the remote JVM -- something like
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
Launch sbt with these arguments and then execute jetty-run. Finally, launch your remote debug configuration in IntelliJ. This thread might be useful.
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WPF Timer Like C# Timer
...imer
{
public event Action<thread::SynchronizationContext> TaskAsyncTick;
public event Action Tick;
public event Action AsyncTick;
public int Interval { get; set; } = 1;
private bool canceled = false;
private bool canceling = false;
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Checking if output of a command contains a certain string in a shell script
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This code doesn't work with all POSIX shells: The POSIX standard only requires = to be a comparison operator, not ==; see pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html
– Charles Duffy
Mar 30 '16 at 15:44
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Tree data structure in C#
...e or graph data structure in C# but I guess there isn't one provided. An Extensive Examination of Data Structures Using C# 2.0 explains a bit about why. Is there a convenient library which is commonly used to provide this functionality? Perhaps through a strategy pattern to solve the issues pres...
disable the swipe gesture that opens the navigation drawer in android
...ried but it was diabled open and close, both. I were testing on android 2.3x with ActionBarSherlock framework.
– thanhnh
Jul 26 '13 at 4:46
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Logging in Scala
... written by Heiko Seeberger as a successor to his slf4s. It uses macro to expand calls into if expression to avoid potentially expensive log call.
Scala Logging is a convenient and performant logging library wrapping logging libraries like SLF4J and potentially others.
Historical loggers
Log...
Angularjs Template Default Value if Binding Null / Undefined (With Filter)
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Turns out all I needed to do was wrap the left-hand side of the expression in soft brackets:
<span class="gallery-date">{{(gallery.date | date:'mediumDate') || "Various"}}</span>
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How do I get the number of elements in a list?
...al different types in Python - both built-in types and library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
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