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What's the difference between a method and a function?
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A function is a piece of code that is called by name. It can be passed data to operate on (i.e. the parameters) and can optionally return data (the return value). All data that is passed to a function is explicitly passed.
A method is a piece of code that is called by ...
How to change app name per Gradle build type
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If by "app name", you mean android:label on <application>, the simplest solution is to have that point at a string resource (e.g., android:label="@string/app_name"), then have a different version of that string resource in...
What is the difference between the HashMap and Map objects in Java?
...'t need to be manipulated as a HashMap any more.
If you ever have to cast by the way, you are probably using the wrong interface or your code isn't structured well enough. Note that it is acceptable to have one section of your code treat it as a "HashMap" while the other treats it as a "Map", but ...
Java Reflection: How to get the name of a variable?
...riables, and the range of instructions where they are in scope.
Perhaps a byte-code engineering library like ASM would allow you to inspect this information at runtime. The only reasonable place I can think of for needing this information is in a development tool, and so byte-code engineering is li...
How do you read a file into a list in Python? [duplicate]
... implementation dependent. Normally unused variables are garbage collected by python interpreter. In cPython (the regular interpreter version from python.org), it will happen immediately, since its garbage collector works by reference counting. In another interpreter, like Jython or Iron Python, the...
Downloading all maven dependencies to a directory NOT in repository?
...ot sure about validate) already copies all dependencies to your local repo by default. This is not for that. Instead it's for situations where you need your app's dependencies for whatever reason. I'm using it right now to inspect the dependent libraries for redundant API definitions (e.g. some libr...
Showing the stack trace from a running Python application
...w access to frame object.
d.update(frame.f_globals) # Unless shadowed by global
d.update(frame.f_locals)
i = code.InteractiveConsole(d)
message = "Signal received : entering python shell.\nTraceback:\n"
message += ''.join(traceback.format_stack(frame))
i.interact(message)
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How do you enable “Enable .NET Framework source stepping”?
...hen you'll need to do the workflow. Typically the RTM dll will say "built by: RTMRel". While a dll that was part of a security update will say "built by: RTMGDR". Note the version number (for example 4.0.30319.269 built by: RTMGDR)
Now, we want to find the update that created this version. Do th...
Get type of all variables
... obtain the value rather than the character name of the object as returned by ls:
x <- 1L
typeof(ls())
[1] "character"
typeof(get(ls()))
[1] "integer"
Alternatively, for the problem as presented you might want to use eapply:
eapply(.GlobalEnv,typeof)
$x
[1] "integer"
$a
[1] "double"
$b
[1] ...
ICollection Vs List in Entity Framework
...ple. (This is a mindset you could use for more than just Entity Framework, by the way. A good object-oriented practice is to program towards the interface and not the implementation. Implementations can and will change.)
sha...