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Turn a number into star rating display using jQuery and CSS
... {
var rating = $(this).data("rating");
var fullStar = new Array(Math.floor(rating + 1)).join('<i class="fas fa-star"></i>');
var halfStar = ((rating%1) !== 0) ? '<i class="fas fa-star-half-alt"></i>': '';
var noStar = new Array(Math.floor($(th...
C++ templates Turing-complete?
...not have to match runtime floating point arithmetics:
bool f(){
char array[1+int(1+0.2-0.1-0.1)]; //Must be evaluated during translation
int size=1+int(1+0.2-0.1-0.1); //May be evaluated at runtime
return sizeof(array)==size;
}
It is unspecified whether the value of f() will be...
Create Generic method constraining T to an Enum
...uetype [mscorlib]System.RuntimeTypeHandle)
call class [mscorlib]System.Array [mscorlib]System.Enum::GetValues(class [mscorlib]System.Type)
callvirt instance class [mscorlib]System.Collections.IEnumerator [mscorlib]System.Array::GetEnumerator()
stloc enumerator
.try
{
CONDI...
fastest MD5 Implementation in JavaScript
...ncremental mode. It doesn't have Base64 o/p but it does have raw o/p (i.e. array of 32-bit int insead of string).
JQuery MD5 plugin: Very simple down to earth but doesn't seem to have raw mode.
JavaScript-MD5: Not as fancy or fast as Spark but simpler.
Example from CryptoJS:
//just include md5.js...
How to generate the “create table” sql statement for an existing table in postgreSQL
...
'CREATE TABLE ' || relname || E'\n(\n' ||
array_to_string(
array_agg(
' ' || column_name || ' ' || type || ' '|| not_null
)
, E',\n'
) || E'\n);\n'
from
(
SELECT
c.relname, a.attname AS column_name,
pg_catalog.format_type(a.atttypid...
How can I store my users' passwords safely?
...ou need (for example by specifying a "cost" parameter through the $options array)
<?php
var_dump(password_hash("my-secret-password", PASSWORD_DEFAULT));
$options = array(
'cost' => 7, // this is the number of rounds for bcrypt
// 'salt' => 'TphfsM82o1uEKlfP9vf1f', // you could spe...
What do all of Scala's symbolic operators mean?
... here's a few syntactic sugars that may hide a method:
class Example(arr: Array[Int] = Array.fill(5)(0)) {
def apply(n: Int) = arr(n)
def update(n: Int, v: Int) = arr(n) = v
def a = arr(0); def a_=(v: Int) = arr(0) = v
def b = arr(1); def b_=(v: Int) = arr(1) = v
def c = arr(2); def c_=(v...
ViewPager and fragments — what's the right way to store fragment's state?
...create, so the only way to reference was to somehow store references in an Array to be restored after the rotation/configuration change.
Workaround
- The key concept was to have the Activity (which displays the Fragments) also manage the array of references to existing Fragments, since this activit...
Version vs build in Xcode
...cifiers:2 means look at the item at index 2 under the PreferenceSpecifiers array in your plist file, so for a 0-based index, that's the 3rd preference setting in the array.
productVersion=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "$INFOPLIST_FILE")
/usr/libexec/PlistBuddy -c "...
How to use concerns in Rails 4
...
def find_comments_with_word(word)
# for the given event returns an array of comments which contain the given word
end
def self.least_commented
# finds the event which has the least number of comments
end
def self.most_attended
# returns the event with most number of attend...