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Paging with Oracle
... Syntax is cleaner, but performance is worse (dba-presents.com/index.php/databases/oracle/…)
– wweicker
Mar 22 '19 at 15:43
...
What is the JSF resource library for and how should it be used?
... attribute. What is this and how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or image ) as library name depending on the tag used:
...
Python - When to use file vs open
What's the difference between file and open in Python? When should I use which one? (Say I'm in 2.5)
6 Answers
...
How to join components of a path when you are constructing a URL in Python
For example, I want to join a prefix path to resource paths like /js/foo.js.
11 Answers
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Difference in make_shared and normal shared_ptr in C++
... exception-safety side of things, I've updated my answer.
Consider this example,
void F(const std::shared_ptr<Lhs> &lhs, const std::shared_ptr<Rhs> &rhs) { /* ... */ }
F(std::shared_ptr<Lhs>(new Lhs("foo")),
std::shared_ptr<Rhs>(new Rhs("bar")));
Because C++ al...
Preventing Laravel adding multiple records to a pivot table
...first();
$product->updateFeatures($feature);
}
}
//product.php (extract)
public function updateFeatures($feature) {
return $this->features()->sync($feature, false);
}
or
public function updateFeatures($feature) {
if (! $this->features->contains($features))
...
Adding Core Data to existing iPhone project
... managedObjectContext != nil {
if managedObjectContext.hasChanges && !managedObjectContext.save(&error) {
// Replace this implementation with code to handle the error appropriately.
// abort() causes the application to generate a crash log and terminate. Y...
How to convert an enum type variable to a string?
...ntation is taken from:
// http://lists.boost.org/boost-users/2012/09/76055.php
//
// This macro do the following:
// input:
// (Element1, "Element 1 string repr", 2) (Element2) (Element3, "Element 3 string repr")
// output:
// ((Element1, "Element 1 string repr", 2)) ((Element2)) ((Element...
Writing your own STL Container
...ory; //or another tag
iterator();
iterator(const iterator&);
~iterator();
iterator& operator=(const iterator&);
bool operator==(const iterator&) const;
bool operator!=(const iterator&) const;
bool operator<(const iterat...
Python: try statement in a single line
...ther dynamic languages. The safer way (and the prevailing style) is to set all variables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do assign all the names you are interested in first, you do have options.
The best...