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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
StringTokenizer ? Convert the String to a char[] and iterate over that? Something else?
15 Answers
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SELECT * FROM X WHERE id IN (…) with Dapper ORM
...
Dapper supports this directly. For example...
string sql = "SELECT * FROM SomeTable WHERE id IN @ids"
var results = conn.Query(sql, new { ids = new[] { 1, 2, 3, 4, 5 }});
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String concatenation: concat() vs “+” operator
Assuming String a and b:
11 Answers
11
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Detecting a mobile browser
...() just to put the more common cases first and let early bailout save some extra processing?
– Rob_vH
Mar 12 '15 at 14:33
2
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What is the instanceof operator in JavaScript?
...an example taken directly from Mozilla's developer site:
var color1 = new String("green");
color1 instanceof String; // returns true
var color2 = "coral"; //no type specified
color2 instanceof String; // returns false (color2 is not a String object)
One thing worth mentioning is instanceof evalua...
PowerShell Script to Find and Replace for all Files with a Specific Extension
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This powershell example looks for all instances of the string "\foo\" in a folder and its subfolders, replaces "\foo\" with "\bar\" AND DOES NOT REWRITE files that don't contain the string "\foo\" This way you don't destroy the file last update datetime stamps where the string w...
Is there a printf converter to print in binary format?
...es for what you want.
#include <stdio.h> /* printf */
#include <string.h> /* strcat */
#include <stdlib.h> /* strtol */
const char *byte_to_binary(int x)
{
static char b[9];
b[0] = '\0';
int z;
for (z = 128; z > 0; z >>= 1) {
strcat(b, ((x &am...
best way to add license section to iOS settings bundle
...y what the limit is), so you need to break each license file into multiple strings.
You can create a line break within these by include a literal carriage return (ie. otherwise known as ^M, \r or 0x0A)
Make sure not to include any literal "s mid-text. If you do, some or all of the strings in the fil...
jQuery Get Selected Option From Dropdown
...ted').text();
or generically:
$('#id :pseudoclass')
This saves you an extra jQuery call, selects everything in one shot, and is more clear (my opinion).
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FirstOrDefault: Default value other than null
...ception when I'm working with collections:
public class Foo
{
public string Bar{get; set;}
}
void Main()
{
var list = new List<Foo>();
//before C# 6.0
string barCSharp5 = list.DefaultIfEmpty(new Foo()).FirstOrDefault().Bar;
//C# 6.0 or later
var barCSharp6 = list.Firs...