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How many constructor arguments is too many?
...ermediate object, and then create our target object in a single step.
An example of the fluent interface in action would be:
public class CustomerBuilder {
String surname;
String firstName;
String ssn;
public static CustomerBuilder customer() {
return new CustomerBuilder();...
How does RewriteBase work in .htaccess
I have seen this in a few .htaccess examples
8 Answers
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How can I find the first occurrence of a sub-string in a python string?
...f my string is "the dude is a cool dude".
I'd like to find the first index of 'dude':
5 Answers
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...bKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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What is the difference between NULL, '\0' and 0?
... integer constant literal 0 has different meanings depending upon the context in which it's used. In all cases, it is still an integer constant with the value 0, it is just described in different ways.
If a pointer is being compared to the constant literal 0, then this is a check to see if the poin...
How do you read from stdin?
...f you want to prompt the user for input, you can use raw_input in Python 2.X, and just input in Python 3.
If you actually just want to read command-line options, you can access them via the sys.argv list.
You will probably find this Wikibook article on I/O in Python to be a useful reference as w...
How to include (source) R script in other scripts
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Here is one possible way. Use the exists function to check for something unique in your util.R code.
For example:
if(!exists("foo", mode="function")) source("util.R")
(Edited to include mode="function", as Gavin Simpson pointed out)
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Literal notation for Dictionary in C#?
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You use the collection initializer syntax, but you still need to make a new Dictionary<string, string> object first as the shortcut syntax is translated to a bunch of Add() calls (like your code):
var data = new Dictionary<string, string>
{
{ "test...
What to do about a 11000 lines C++ source file?
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How to use shell commands in Makefile
...l ls)
indented underneath all like that, it's a build command. So this expands $(shell ls), then tries to run the command FILES ....
If FILES is supposed to be a make variable, these variables need to be assigned outside the recipe portion, e.g.:
FILES = $(shell ls)
all:
echo $(FILES)
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