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Javascript fuzzy search that makes sense
... asked for though. Also, this can be expensive if the list is massive.
get_bigrams = (string) ->
s = string.toLowerCase()
v = new Array(s.length - 1)
for i in [0..v.length] by 1
v[i] = s.slice(i, i + 2)
return v
string_similarity = (str1, str2) ->
if str1.length &...
Fastest way to check if a string matches a regexp in ruby?
...y
require 'benchmark'
str = "aacaabc"
re = Regexp.new('a+b').freeze
N = 4_000_000
Benchmark.bm do |b|
b.report("str.match re\t") { N.times { str.match re } }
b.report("str =~ re\t") { N.times { str =~ re } }
b.report("str[re] \t") { N.times { str[re] } }
b.report("re =~ str...
Parsing a string into a boolean value in PHP
...
There is a native PHP method of doing this which uses PHP's filter_var method:
$bool = filter_var($value, FILTER_VALIDATE_BOOLEAN);
According to PHP's manual:
Returns TRUE for "1", "true", "on" and "yes". Returns FALSE otherwise.
If FILTER_NULL_ON_FAILURE is set, FALSE is return...
How does Rails keep track of which migrations have run for a database?
...
Rails creates a table in your database called schema_migrations to keep track of which migrations have run.
The table contains a single column, version. When Rails runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version",...
How to list all users in a Linux group?
...rs;
my $usertext = `getent passwd`;
my @users = $usertext =~ /^([a-zA-Z0-9_-]+):/gm;
foreach my $userid (@users)
{
my $usergrouptext = `id -Gn $userid`;
my @grouplist = split(' ',$usergrouptext);
foreach my $group (@grouplist)
{
$groupmembers{$group}->{$userid} = 1;
...
Convert an NSURL to an NSString
...[myURL absoluteString]; But I had met this error and xcode was crashed. -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x791a18e0
– Võ Mai Trinh
Jun 22 '15 at 9:39
...
Android file chooser [closed]
...tent in an Intent.createChooser() like this:
private static final int FILE_SELECT_CODE = 0;
private void showFileChooser() {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
intent.addCategory(Intent.CATEGORY_OPENABLE);
try {
startActivityFor...
How to use “raise” keyword in Python [duplicate]
...dler, so that it can be handled further up the call stack.
try:
generate_exception()
except SomeException as e:
if not can_handle(e):
raise
handle_exception(e)
share
|
improve this answe...
Servlet for serving static content
...tiple url-pattern tags inside servlet-mapping
– vivid_voidgroup
May 22 '12 at 12:59
Just be careful with index files (...
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...\JDK
Execute the following commands in cmd.exe:
cd C:\JDK\.rsrc\1033\JAVA_CAB10
extrac32 111
Unpack C:\JDK\.rsrc\1033\JAVA_CAB10\tools.zip with 7-zip
Execute the following commands in cmd.exe:
cd C:\JDK\.rsrc\1033\JAVA_CAB10\tools\
for /r %x in (*.pack) do .\bin\unpack200 -r "%x" "%~dx%~px%~nx....