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When and why JPA entities should implement Serializable interface?
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This usually happens if you mix HQL and native SQL queries. In HQL, Hibernate maps the types you pass in to whatever the DB understands. When you run native SQL, then you must do the mapping yourself. If you don't, then the default m...
Reloading the page gives wrong GET request with AngularJS HTML5 mode
... Server side
Using this mode requires URL rewriting on server side, basically you have to rewrite all your links to entry point of your application (e.g. index.html)
The reason for this is that when you first visit the page (/about), e.g. after a refresh, the browser has no way of knowing that t...
map function for objects (instead of arrays)
... of obj1 sit on the 'prototype' of obj2
console.log(obj2) // Prints: obj2.__proto__ = { 'a': 1, 'b': 2, 'c': 3}
console.log(Object.keys(obj2)); // Prints: an empty Array.
for (key in obj2) {
console.log(key); // Prints: 'a', 'b', 'c'
}
jsbin
However, please do me a favor and av...
vagrant up failed, /dev/vboxnetctl: no such file or directory
Can be useful, I found this error. The common solution is reinstall virtualbox but there are a better way.
8 Answers
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Maximum size of a element
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Updated 10/13/2014
All tested browsers have limits to the height/width of canvas elements, but many browsers also limit the total area of the canvas element. The limits are as follows for the browsers I'm able to test:
Chrome:
Maximum height/widt...
Is there a 'box-shadow-color' property?
... That's a great use of variables! Let's hope that they'll be supported in all browsers within the next few years :/
– fregante
Aug 18 '15 at 0:10
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CMake: Project structure with unit tests
...ture my project to include the production sources (in src subfolder) and tests (in test subfolder). I am using CMake to build this. As a minimal example I have the following files:
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How to ignore SSL certificate errors in Apache HttpClient 4.0
... .build();
No deprecated API has been used.
Simple verifiable test case:
package org.apache.http.client.test;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequ...
How do I add a path to PYTHONPATH in virtualenv
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You can usually avoid having to do anything with PYTHONPATH by using .pth files. Just put a file with a .pth extension (any basename works) in your virtualenv's site-packages folder, e.g. lib\python2.7\site-packages, with the absolute p...
UITableView is starting with an offset in iOS 7
...ed Aug 22 '13 at 19:05
Mick MacCallum
122k4040 gold badges273273 silver badges274274 bronze badges
answered Aug 22 '13 at 19:02
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