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Write lines of text to a file in R
...use the documentation for writeLines() says:
If the con is a character string, the function calls file to obtain
a file connection which is opened for the duration of the function
call.
# default settings for writeLines(): sep = "\n", useBytes = FALSE
# so: sep = "" would join all together...
How to get first N elements of a list in C#?
...wer, following some suggestions)
myList.Sort(CLASS_FOR_COMPARER);
List<string> fiveElements = myList.GetRange(0, 5);
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UPDATE multiple tables in MySQL using LEFT JOIN
I have two tables, and want to update fields in T1 for all rows in a LEFT JOIN.
5 Answers
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How to pass an ArrayList to a varargs method parameter?
...y for no reason.)
Here's a complete example:
public static void method(String... strs) {
for (String s : strs)
System.out.println(s);
}
...
List<String> strs = new ArrayList<String>();
strs.add("hello");
strs.add("wordld");
method(strs.toArray(new String...
Using npm behind corporate proxy .pac
...name:password@servername:port/"
I also had to URL encode my domain\user string, however, I have a space inside my username so I put a + to encode the space URL encoding, but it would get double encoded as %2B (which is the URL encoding for the plus sign, however the URL encoding for a space is %2...
How do I make python wait for a pressed key?
... that's because Python 2.7 has a function called input which evaluates the string you input. To fix, use raw_input
– Samy Bencherif
Dec 3 '15 at 3:16
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Is it possible to use the instanceof operator in a switch statement?
...h the Class reference; 2) assert the class simple name with the enum id .toString(); 3)find the enum thru the stored Class reference per enum id. I think this is also obfuscation safe then.
– Aquarius Power
Feb 2 '15 at 19:05
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Regular expression for matching latitude/longitude coordinates?
...;
@Slf4j
public class LatLongValidationTest {
protected static final String LATITUDE_PATTERN="^(\\+|-)?(?:90(?:(?:\\.0{1,6})?)|(?:[0-9]|[1-8][0-9])(?:(?:\\.[0-9]{1,6})?))$";
protected static final String LONGITUDE_PATTERN="^(\\+|-)?(?:180(?:(?:\\.0{1,6})?)|(?:[0-9]|[1-9][0-9]|1[0-7][0-9])(...
What's the best way to communicate between view controllers?
...ng data in model objects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data.
Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller ont...
Select all columns except one in MySQL?
...ctually work if the title's columns that you want to remove are also a sub-string of the title for any columns you wish to keep. There is a better answer that is similar to this that can be found here.
– donL
Dec 10 '12 at 22:11
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