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Why use Ruby instead of Smalltalk? [closed]
...e in a position that you can choose the next framework(vm, infrastructure) then you need to decided what to use and can ask a specific question with pros and cons from the perspective of what your application is inteded to do.
I have used smalltalk (love it) and ruby (love it).
At home or for open...
Why are static variables considered evil?
...agree with your first comment here. I think if something can't be tested, then it IS bad design; because if I can't test it, I can't know that it works. Would you buy a car if the salesperson told you "The design of this model prevents it from being tested, so I don't know if it actually runs"? T...
How do I split a string on a delimiter in Bash?
...
You can set the internal field separator (IFS) variable, and then let it parse into an array. When this happens in a command, then the assignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value into a...
Python OpenCV2 (cv2) wrapper to get image size?
... readability, or don't want to bother typing this, you can wrap it up in a function, and give it a name you like, e.g. cv_size:
import numpy as np
import cv2
# ...
def cv_size(img):
return tuple(img.shape[1::-1])
If you're on a terminal / ipython, you can also express it with a lambda:
>...
How do I configure emacs for editing HTML files that contain Javascript?
...; to start a javascript block, and <style...> to start a css block. Then you plug in your own modes for each block - if you like espresso for javascript, use it. And so on for the other regexes that identify other blocks.
In practice, as you navigate through the document, a different mode...
Which is faster : if (bool) or if(int)?
... (specifically -O3), here's what I get:
For f():
.type _Z1fi, @function
_Z1fi:
.LFB0:
.cfi_startproc
.cfi_personality 0x3,__gxx_personality_v0
cmpl $1, %edi
sbbl %eax, %eax
andb $58, %al
addl $99, %eax
ret
.cfi_e...
Generating Random Passwords
... If UInt64.MaxValue is not evenly divisible by characterArray.Length then the randomly selected characters will not be evenly distributed (though this will be a very small effect).
– Jeff Walker Code Ranger
Aug 19 '14 at 17:24
...
KnockOutJS - Multiple ViewModels in a single View
...rVM = {
vmA : new VmA(),
vmB : new VmB(),
vmC : new VmC(),
}
Then your masterVM can have other properties if needed, for the page itself. Communication between the view models would not be difficult in this situation as you could relay through the masterVM, or you could use the $parent...
Null vs. False vs. 0 in PHP
...eturn false, and not null in my opinion is correct - if null means unknown then strrpos returning null would be like it saying 'I don't know if the string is there' rather than 'The string isn't there'.
– Eborbob
Dec 9 '15 at 11:52
...
In PHP, why does not show a parse error?
... </script> (not recommended)
<% ... %> (deprecated and removed ASP-style tag after 5.3.0)
Apparently, you can open a PHP block one way, and close it the other. Didn't know that.
So in your code, you opened the block using <? but PHP recognizes </script> as the closer. What ha...