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Objective-C Static Class Level variables
I have a class Film, each of which stores a unique ID. In C#, Java etc I can define a static int currentID and each time i set the ID i can increase the currentID and the change occurs at the class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for...
Center a DIV horizontally and vertically [duplicate]
...d="main">). In the divs you can insert whatever you want (text, images, etc).
– MultiformeIngegno
Jan 2 '13 at 15:17
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How do I check if a variable exists?
...is condition to be true even if myVar is an empty list, zero, empty string etc.
– Gabriel
Jul 27 '18 at 18:09
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A gentle tutorial to Emacs/Swank/Paredit for Clojure
...ain inside Emacs
projectile – project mgmt
for finding files, searching, etc
helm – incremental completion
and selection narrowing framework (or
swiper)
Other Resources
If you’re looking for a setup that already has done most/all of this
work for you, a couple options are:
prelude
spacema...
Benefits of header-only libraries
...entation will include the function declaration, parameters, return values, etc.. and all associated comments. If you have to refer to the header file, the documentation has failed.
– Thomas
Jun 1 '13 at 12:37
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Use of 'prototype' vs. 'this' in JavaScript?
...contains yoMan, and if it doesn't, it will consult that object's __proto__ etc. If it does, it will take that property value and display it to you.
So someone decided to use this fact + the fact that when you create a1, its __proto__ property points to the same (empty) object A.prototype points to ...
base64 encoded images in email signatures
I have to include some images (company logo's etc) in email signatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
...
Add params to given URL in Python
... have arbitrary data (for example, characters such as ampersands, slashes, etc. will need to be encoded).
Check out urllib.urlencode:
>>> import urllib
>>> urllib.urlencode({'lang':'en','tag':'python'})
'lang=en&tag=python'
In python3:
from urllib import parse
parse.urlenc...
Would it be beneficial to begin using instancetype instead of id?
...
alloc, init, etc. are automatically promoted to instancetype by the compiler. That isn't to say there's no benefit; there is, but it isn't this.
– Steven Fisher
Feb 5 '13 at 19:17
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Do sealed classes really offer performance Benefits?
...can use call instead of callvirt as it doesn't have to check for virtuals, etc. As proven above, this is not true.
My next thought was that even though the MSIL is identical, perhaps the JIT compiler treats sealed classes differently?
I ran a release build under the visual studio debugger and view...