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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
...ut breaking changes. docs.djangoproject.com/en/dev/releases/1.7/…. Basically, Django has a new way to load installed app. If you load Django from a Python script (like I was in my custom unit tests), some initialization needs to be done before proceeding and calling setup() is how to do it. As...
What does the servlet value signify
...s that this servlet should be loaded (instantiated
and have its
init() called) on the startup of the Web application. The element content of this
element must be an integer indicating the order in which the servlet should be
loaded. If the value is a negative integer, or the element is not p...
How do I parse command line arguments in Bash?
Say, I have a script that gets called with this line:
37 Answers
37
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What is the { get; set; } syntax in C#?
...
It's a so-called auto property, and is essentially a shorthand for the following (similar code will be generated by the compiler):
private string name;
public string Name
{
get
{
return this.name;
}
set
{
...
Java equivalent to C# extension methods
...shows its age here. Imagine you want to write a JSONObject to disk. Do you call jsonobj.writeToDisk() or someunrelatedclass.writeToDisk(jsonobj) ?
– woens
Oct 3 '14 at 21:32
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How to have jQuery restrict file types on upload?
...();
if($.inArray(ext, ['gif','png','jpg','jpeg']) == -1) {
alert('invalid extension!');
}
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Difference in make_shared and normal shared_ptr in C++
... difference is that std::make_shared performs one heap-allocation, whereas calling the std::shared_ptr constructor performs two.
Where do the heap-allocations happen?
std::shared_ptr manages two entities:
the control block (stores meta data such as ref-counts, type-erased deleter, etc)
the objec...
jQuery - add additional parameters on submit (NOT ajax)
...
This one did it for me:
var input = $("<input>")
.attr("type", "hidden")
.attr("name", "mydata").val("bla");
$('#form1').append(input);
is based on the Daff's answer, but added the NAME attribute ...
Test if a string contains any of the strings from an array
...omparison strings. A primitive way to make it case insensitive would be to call toLowerCase() or toUpperCase() on both the input and test strings.
If you need to do anything more complicated than this, I would recommend looking at the Pattern and Matcher classes and learning how to do some regular e...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...lan. Stored procedures will, generally, store this in memory so you can avoid this overhead.
Still an advantage?
Most DBMS' (the latest editions) will cache the query plans for INDIVIDUAL SQL statements, greatly reducing the performance differential between stored procs and ad hoc SQL. There are s...
