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Javascript How to define multiple variables on a single line?
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note you can only do this with Numbers and Strings
you could do...
var a, b, c; a = b = c = 0; //but why?
c++;
// c = 1, b = 0, a = 0;
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Filter rows which contain a certain string
...filter a data frame using as criterion those row in which is contained the string RTB .
4 Answers
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Overriding the java equals() method - not working?
... numberOfParameters;
private Level loggingLevel;
private String messageCode;
See the options avaliable to customize which fields to use in the equals. Lombok is avalaible in maven. Just add it with provided scope:
<dependency>
<groupId>org.projectlombok</...
catch exception that is thrown in different thread
...cess exception in some task's thread
class Program
{
static void Main(string[] args)
{
Task<int> task = new Task<int>(Test);
task.ContinueWith(ExceptionHandler, TaskContinuationOptions.OnlyOnFaulted);
task.Start();
Console.ReadLine();
}
s...
Write to UTF-8 file in Python
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I believe the problem is that codecs.BOM_UTF8 is a byte string, not a Unicode string. I suspect the file handler is trying to guess what you really mean based on "I'm meant to be writing Unicode as UTF-8-encoded text, but you've given me a byte string!"
Try writing the Unicode st...
Android selector & text color
...d:gravity="center"
android:minHeight="98px"
android:text="@string/more"
android:textColor="@color/bright_text_dark_focused"
android:textSize="18dp"
android:textStyle="bold" />
</FrameLayout>
res/color/bright_text_dark_focused.xml
<?xml version=...
What is the difference between square brackets and parentheses in a regex?
...rts that the subpattern in between these anchors are the entire match. The string will only match if the subpattern matches the entirety of it, not just a section.
() denotes a capturing group.
7|8|9 denotes matching either of 7, 8, or 9. It does this with alternations, which is what the pipe operat...
How to convert list of key-value tuples into dictionary?
...Wilson that is the error you usually get when you try something like dict([string1, string2, string3, string4])
– chacham15
Dec 22 '14 at 3:55
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What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
...t seems that the relevant character encoding to get the 'binary data' from string, should be iso-8859-1. (source)
– Myobis
Apr 24 '14 at 14:09
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Covariance, Invariance and Contravariance explained in plain English?
...ovariant, contravariant, or invariant? Covariant would mean that a List<String> is a subtype of List<Object>, contravariant that a List<Object> is a subtype of List<String> and invariant that neither is a subtype of the other, i.e. List<String> and List<Object> ar...