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Which is a better way to check if an array has more than one element?
...iously using count($arr) > 1 (sizeof is just an alias for count) is the best solution.
Depending on the structure of your array, there might be tons of elements but no $array['1'] element.
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What LaTeX Editor do you suggest for Linux? [closed]
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Gummi is the best LaTeX editor. It is a free, open source, cross-platform, program, featuring a live preview pane.
http://gummi.midnightcoding.org/
e4 http://gummi.midnightcoding.org/wp-content/uploads/20091012-1large(1).png
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Properly removing an Integer from a List
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Java always calls the method that best suits your argument. Auto boxing and implicit upcasting is only performed if there's no method which can be called without casting / auto boxing.
The List interface specifies two remove methods (please note the naming o...
Why does NULL = NULL evaluate to false in SQL server
...se a lot of irregular features in SQL, which we will discuss
later. Your best bet is just to memorize the situations and the rules for NULLs
when you cannot avoid them.
Apropos of SQL, NULLs and infinite:
(104) CHAPTER 3: NUMERIC DATA IN SQL
SQL has not accepted the IEEE model for mat...
How do I remove javascript validation from my eclipse project?
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Since I have JSHint, this is the best answer for me. I removed also PyDev JS validator. Building is fast, finally.
– Marco Sulla
Jan 22 '16 at 19:10
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“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]
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the best. works like a charm
– Washington Morais
Jul 6 '16 at 12:16
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How to rename a single column in a data.frame?
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I think the best way of renaming columns is by using the dplyr package like this:
require(dplyr)
df = rename(df, new_col01 = old_col01, new_col02 = old_col02, ...)
It works the same for renaming one or many columns in any dataset.
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How to focus on a form input text field on page load using jQuery?
...erspective is not only technically correct, but your consideration for the best UX possible is exquisite. Bravo!
– Folusho Oladipo
Feb 6 '17 at 10:42
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Replace non-numeric with empty string
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for the best performance and lower memory consumption , try this:
using System;
using System.Diagnostics;
using System.Text;
using System.Text.RegularExpressions;
public class Program
{
private static Regex digitsOnly = new Reg...
How to get the previous URL in JavaScript?
...pparently the referrer window specification as well. At least, that is the best way I can understand it at this time.
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