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Swift native base class or NSObject
...t are subclasses of NSObject:
are Objective-C classes themselves
use objc_msgSend() for calls to (most of) their methods
provide Objective-C runtime metadata for (most of) their method implementations
Swift classes that are not subclasses of NSObject:
are Objective-C classes, but implement onl...
Class constants in python
...ou could improve your code by doing something like:
class Animal:
SIZE_HUGE="Huge"
SIZE_BIG="Big"
SIZE_MEDIUM="Medium"
SIZE_SMALL="Small"
class Horse(Animal):
def printSize(self):
print(self.SIZE_BIG)
Alternatively, you could create intermediate classes: HugeAnimal, B...
“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte
...
The trick is that ISO-8859-1 or Latin_1 is 8 bit character sets, thus all garbage has a valid value. Perhaps not useable, but if you want to ignore!
– Kjeld Flarup
Apr 12 '18 at 8:53
...
How to load db:seed data into test database automatically?
...d the data.
load "#{Rails.root}/db/seeds.rb"
# or
Rails.application.load_seed
Where to place that depends on what testing framework you are using and whether you want it to be loaded before every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file.
...
How to build query string with Javascript
...ues from the form ..
it's not perfect but it fits my needs.
function form_params( form )
{
var params = new Array()
var length = form.elements.length
for( var i = 0; i < length; i++ )
{
element = form.elements[i]
if(element.tagName == 'TEXTAREA' )
{
...
Dependent DLL is not getting copied to the build output folder in Visual Studio
...
{
private static void Dummy()
{
Action<Type> noop = _ => {};
var dummy = typeof(AbcDll.AnyClass);
noop(dummy);
}
}
This infomation actually costed me hours to figure out, so I thought I share it.
...
Replace tabs with spaces in vim
...d like to convert tab to spaces in gVim. I added the following line to my _vimrc :
11 Answers
...
Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...th '-h'):
call ShellRunJS.bat "notepad.exe" -style 0 -wait no
4) 'Win32_ProcessStartup' - again full wrapper and all options are accessible through the command line arguments.This time it's WSF/batch hybrid with some Jscript and some VBScript pieces of code - but it returns the PID of the starte...
How to secure MongoDB with username and password
...ata/db
2) Connect to the instance.
mongo
3) Create the user.
use some_db
db.createUser(
{
user: "myNormalUser",
pwd: "xyz123",
roles: [ { role: "readWrite", db: "some_db" },
{ role: "read", db: "some_other_db" } ]
}
)
4) Stop the MongoDB instance and start it aga...
UIViewContentModeScaleAspectFill not clipping
...
Can you try setting clip to bounds
[_photoview setClipsToBounds:YES];
Or directly in your Storyboard / Xib if you can :
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