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Java SafeVarargs annotation, does a standard or best practice exist?
...nts go here)... }.
This works well when the varargs type is concrete like String.... When it's a type variable like T..., it also works when T is known to be a concrete type for that call. e.g. if the method above were part of a class Foo<T>, and you have a Foo<String> reference, then c...
How to get subarray from array?
I have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
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Posting a File and Associated Data to a RESTful WebService preferably as JSON
... If I chose option 1, do I just include the Base64 content inside the JSON string? {file:'234JKFDS#$@#$MFDDMS....', name:'somename'...} Or is there something more to it?
– Gregg
Nov 3 '10 at 3:06
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Number of lines in a file in Java
... linux' wc -l command takes 0.15 seconds.
public static int countLinesOld(String filename) throws IOException {
InputStream is = new BufferedInputStream(new FileInputStream(filename));
try {
byte[] c = new byte[1024];
int count = 0;
int readChars = 0;
boolean...
How do I clear the terminal screen in Haskell?
...nal support, with Windows compatibility You can find it in Hackage and install using cabal install ansi-terminal. It specifically has functions for clearing the screen, displaying colors, moving the cursor, etc. Using it to clear the screen is easy: (this is with GHCI) import System.Console.ANSIclea...
How to get object size in memory? [duplicate]
...(in C#). for example how much my Hashtable , or SortedList , or List<String> .
6 Answers
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HTML code for an apostrophe
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My boss just made me change all the single quote on our site to a proper typographic apostrophe. The &#39; is technically not an apostrophe according to a her... however W3C does view it as an apostrophe. I saw to hell with the proper English and ...
Why should a Java class implement comparable?
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Here is a real life sample. Note that String also implements Comparable.
class Author implements Comparable<Author>{
String firstName;
String lastName;
@Override
public int compareTo(Author other){
// compareTo should return < 0...
How to get Chrome to allow mixed content?
...lt is blocking mixed content. How do I adjust my settings/configuration to allow mixed content without making any adjustments on the UI every time?
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Replacement for “rename” in dplyr
...which does keep it consistent with the rest of the dplyr functions. Personally, I don't think of it as a problem--you get used to new things quickly especially when it means a significant speedup in your data processing.
– vergilcw
Feb 3 '14 at 15:47
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