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How to search by key=>value in a multidimensional array in PHP
Is there any fast way to get all subarrays where a key value pair was found in a multidimensional array? I can't say how deep the array will be.
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Is it a good practice to use try-except-else in Python?
...o, the use of exceptions in Python does not slow the surrounding code and calling code as it does in some compiled languages (i.e. CPython already implements code for exception checking at every step, regardless of whether you actually use exceptions or not).
In other words, your understanding that...
Is there a way to simulate the C++ 'friend' concept in Java?
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Here is a small trick that I use in JAVA to replicate C++ friend mechanism.
Lets say I have a class Romeo and another class Juliet. They are in different packages (family) for hatred reasons.
Romeo wants to cuddle Juliet and Juliet wan...
PHP ORMs: Doctrine vs. Propel
...eing the default ORM for symfony it is better supported (even though officially the ORMs are considered equal).
Furthermore I better like the way you work with queries (DQL instead of Criteria):
<?php
// Propel
$c = new Criteria();
$c->add(ExamplePeer::ID, 20);
$items = ExamplePeer::doSelect...
How to sort an array of objects by multiple fields?
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Original function:
var sort_by = function() {
var fields = [].slice.call(arguments),
n_fields = fields.length;
return function(A,B) {
var a, b, field, key, primer, reverse, result, i;
for(i = 0; i < n_fields; i++) {
result = 0;
field = fields[...
Nginx no-www to www and www to no-www
...n.php last;
# etc etc...
}
}
Note: I have not originally included https:// in my solution since we use loadbalancers and our https:// server is a high-traffic SSL payment server: we do not mix https:// and http://.
To check the nginx version, use nginx -v.
Strip www from ...
Dependent DLL is not getting copied to the build output folder in Visual Studio
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@MikeK Adding it to the main project (which doesn't actually directly depend on it) is an even bigger hack, imo. Then you have to manage it two places ("manage" as in upgrade or remove). With this hack, at least you get a nice compile time error reminding you to remove this hack w...
How to pass parameters to a modal?
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+1 Since this allows for passing data without having to define a controller for the modal. BTW you can just do $scope.$new(true) to create a new isolated scope without the need to inject $rootScope.
– Santosh
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How do I add more members to my ENUM-type column in MySQL?
...ABLE carmake MODIFY COLUMN country ENUM('Sweden','Malaysia');
I would actually recommend a country table rather than enum column. You may have hundreds of countries which would make for a rather large and awkward enum.
EDIT: Now that I can see your error message:
ERROR 1265 (01000): Data truncate...
JPA EntityManager: Why use persist() over merge()?
...ed (any changes you make will not be part of the transaction - unless you call merge again). You can through use returned instance (managed one).
Maybe a code example will help.
MyEntity e = new MyEntity();
// scenario 1
// tran starts
em.persist(e);
e.setSomeField(someValue);
// tran ends, an...