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What is the proper way to re-attach detached objects in Hibernate?
...ed transient collection. How can overcome this?
– dma_k
Sep 26 '10 at 21:41
1
...
How do you test that a Python function throws an exception?
...t ahold of the actual Exception object thrown:
import unittest
def broken_function():
raise Exception('This is broken')
class MyTestCase(unittest.TestCase):
def test(self):
with self.assertRaises(Exception) as context:
broken_function()
self.assertTrue('This i...
Why are preprocessor macros evil and what are the alternatives?
....
Another example is "if else" in macros, say we have this:
#define safe_divide(res, x, y) if (y != 0) res = x/y;
and then
if (something) safe_divide(b, a, x);
else printf("Something is not set...");
It actually becomes completely the wrong thing....
Replacement: real functions.
3) Ma...
How do I create some kind of table of content in GitHub wiki?
If you look here: http://en.wikipedia.org/wiki/Stack_Overflow
9 Answers
9
...
What Automatic Resource Management alternatives exist for Scala?
...Reader(new FileReader("file.txt"))) { reader =>
Iterator.unfold(())(_ => Option(reader.readLine()).map(_ -> ())).toList
}
or using Using.resource avoid Try
val lines: Seq[String] =
Using.resource(new BufferedReader(new FileReader("file.txt"))) { reader =>
Iterator.unfold((...
Blocks on Swift (animateWithDuration:animations:completion:)
...WithDuration(0.2, animations: {
self.blurBg.alpha = 1
}, completion: { _ in
self.blurBg.hidden = true
})
Swift 3, 4, 5
UIView.animate(withDuration: 0.2, animations: {
self.blurBg.alpha = 1
}, completion: { _ in
self.blurBg.isHidden = true
})
...
How do I use PHP namespaces with autoload?
...in the global scope.
See below for a working example:
<?php
function __autoload($class)
{
$parts = explode('\\', $class);
require end($parts) . '.php';
}
use Person\Barnes\David as MyPerson;
$class = new MyPerson\Class1();
Edit (2009-12-14):
Just to clarify, my usage of "use ... a...
How to initialize a private static const map in C++?
...ap>
using namespace std;
struct A{
static map<int,int> create_map()
{
map<int,int> m;
m[1] = 2;
m[3] = 4;
m[5] = 6;
return m;
}
static const map<int,int> myMap;
};
const map<int,int> A:: myMap = ...
Why is parenthesis in print voluntary in Python 2.7?
...*This print behavior in Python 2 can be changed to that of Python 3:
from __future__ import print_function
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jQuery Ajax File Upload
...Data.append("file", this.file, this.getName());
formData.append("upload_file", true);
$.ajax({
type: "POST",
url: "script",
xhr: function () {
var myXhr = $.ajaxSettings.xhr();
if (myXhr.upload) {
myXhr.upload.addEventListener(...