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Android Get Current timestamp?
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The solution is :
Long tsLong = System.currentTimeMillis()/1000;
String ts = tsLong.toString();
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OOP vs Functional Programming vs Procedural [closed]
What are the differences between these programming paradigms, and are they better suited to particular problems or do any use-cases favour one over the others?
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How do I increase the number of displayed lines of a Java stack trace dump?
Is there a way to make Throwable.printStackTrace(PrintStream s) print the full stack trace, so that I can see beyond the final line of "... 40 more" ?
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how do you filter pandas dataframes by multiple columns
To filter a dataframe (df) by a single column, if we consider data with male and females we might:
6 Answers
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Where to learn about VS debugger 'magic names'
If you've ever used Reflector, you probably noticed that the C# compiler generates types, methods, fields, and local variables, that deserve 'special' display by the debugger. For instance, local variables beginning with 'CS$' are not displayed to the user. There are other special naming conventions...
how to convert binary string to decimal?
I want to convert binary string in to digit
E.g
9 Answers
9
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What is the exact problem with multiple inheritance?
...sion of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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copying all contents of folder to another folder using batch file?
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xcopy.exe is the solution here. It's built into Windows.
xcopy /s c:\Folder1 d:\Folder2
You can find more options at http://www.computerhope.com/xcopyhlp.htm
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Convert string to a variable name
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assign is what you are looking for.
assign("x", 5)
x
[1] 5
but buyer beware.
See R FAQ 7.21
http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-turn-a-string-into-a-variable_003f
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Converting Integer to Long
...get the value of a field using reflection. It so happens that I am not always sure what the datatype of the field is. For that, and to avoid some code duplication I have created the following method:
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