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Java's Virtual Machine and CLR
...nsiders a List<int> to be a completely different type from a List<String>.
Under the covers, it uses the same MSIL for all reference-type specializations (so a List<String> uses the same implementation as a List<Object>, with different type-casts at the API boundaries), but ...
RAII and smart pointers in C++
...ance (and stealing an example from another answer):
void foo() {
std::string str;
// Do cool things to or using str
}
This works fine - but what if we want to return str? We could write this:
std::string foo() {
std::string str;
// Do cool things to or using str
return str;
}...
How to get an object's properties in JavaScript / jQuery?
...quired. To know the base class name, you may invoke the Object.prototype.toString method on an object, like this:
alert(Object.prototype.toString.call([]));
The above will output [object Array].
There are several other class names, like [object Object], [object Function], [object Date], [object ...
How to do if-else in Thymeleaf?
...e 'authentication' and 'authorization' utility objects came from thymeleaf extras springsecurity3 library.
When 'authentication' object is not available OR authorization.expression('isAuthenticated()') evaluates to 'false', expression returns ${false}, otherwise ${true}.
...
Is using a lot of static methods a bad thing?
...llowing:
public static class ResourceLoader
{
public static void Init(string _rootPath) { ... etc. }
public static void GetResource(string _resourceName) { ... etc. }
public static void Quit() { ... etc. }
}
public static class TextureManager
{
private static Dictionary<string,...
Why declare unicode by string in python?
...code characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding.
When you declare a string with a u in front, like u'This is a string', it tells the Python compiler that the string is Unicode, not bytes. This is handled mostly tran...
Equivalent to 'app.config' for a library (DLL)
...code won't work properly.
Now to read from this file have such function:
string GetAppSetting(Configuration config, string key)
{
KeyValueConfigurationElement element = config.AppSettings.Settings[key];
if (element != null)
{
string value = element.Value;
if (!string.Is...
How to configure Ruby on Rails with no database?
...-record option to generate an application without a database
Notice the extra hyphen '-' as opposed to previous Rails versions.
rails new myApp --skip-active-record
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Getting Java version at runtime
... version naming convention.
Sun Technical Articles
J2SE SDK/JRE Version String Naming Convention
Version 1.5.0 or 5.0?
"J2SE also keeps the version number 1.5.0 (or 1.5) in some places that are visible only to developers, or where the version number is parsed by programs"
"java.version system...
Automatically deleting related rows in Laravel (Eloquent ORM)
...record in the DB, but will not run your delete method, so if you are doing extra work on delete (for example - delete files), it will not run
– amosmos
Dec 22 '15 at 13:57
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