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How to Set Variables in a Laravel Blade Template
... (for instance) an operator such as ==.
@if ($variable = 'any data, be it string, variable or OOP') @endif
Then you can use it anywhere you can use any other variable
{{ $variable }}
The only downside is your assignment will look like a mistake to someone not aware that you're doing this as a ...
What is cardinality in MySQL?
...m Percona:
CREATE TABLE `antest` (
`i` int(10) unsigned NOT NULL,
`c` char(80) default NULL,
KEY `i` (`i`),
KEY `c` (`c`,`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
mysql> select count(distinct c) from antest;
+-------------------+
| count(distinct c) |
+-------------------+
| ...
How do I get a Cron like scheduler in Python? [closed]
...None of the listed solutions even attempt to parse a complex cron schedule string. So, here is my version, using croniter. Basic gist:
schedule = "*/5 * * * *" # Run every five minutes
nextRunTime = getNextCronRunTime(schedule)
while True:
roundedDownTime = roundDownTime()
if (roundedDow...
Maintain model of scope when changing between views in AngularJS
...what you're after is use the following add ons
UI Router & UI Router Extras
These two will provide you with state based routing and sticky states, you can tab between states and all information will be saved as the scope "stays alive" so to speak.
Check the documentation on both as it's pret...
Browserify - How to call function bundled in a file generated through browserify in browser
...mport and use anywhere client-side, which is why we have to go to all this extra trouble just to call a single function outside of its bundled context.
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What are some (concrete) use-cases for metaclasses?
...Model):
... foo = Integer()
...
>>> class B(A):
... bar = String()
...
>>> B._fields
{'foo': Integer('A.foo'), 'bar': String('B.bar')}
Again, this can be done (without inheritance) with a class decorator:
def model(cls):
fields = {}
for key, value in vars(cls).it...
Class does not implement its superclass's required members
... init, like so:
convenience required init(coder: NSCoder) {
self.init(stringParam: "", intParam: 5)
}
Note the call to an initializer in self. This allows you to only have to use dummy values for the parameters, as opposed to all non-optional properties, while avoiding throwing a fatal error....
Access lapply index names inside FUN
...vector instead of the vector itself.
But note that you can always pass in extra arguments to the function, so the following works:
x <- list(a=11,b=12,c=13) # Changed to list to address concerns in commments
lapply(seq_along(x), function(y, n, i) { paste(n[[i]], y[[i]]) }, y=x, n=names(x))
He...
jQuery callback on image load (even when the image is cached)
...
/**
* Trigger a callback when the selected images are loaded:
* @param {String} selector
* @param {Function} callback
*/
var onImgLoad = function(selector, callback){
$(selector).each(function(){
if (this.complete || /*for IE 10-*/ $(this).height() > 0) {
callback.ap...
How to detect if a function is called as constructor?
...ert(isConstructor);
}
Obviously this is not ideal, since you now have an extra useless property on every object constructed by x that could be overwritten, but I think it's the best you can do.
(*) "instance of" is an inaccurate term but is close enough, and more concise than "object that has bee...