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Using parameters in batch files at Windows command line
...program name as it was called, in DOS %0 will be empty for AUTOEXEC.BAT if started at boot time.
Example:
Put the following command in a batch file called mybatch.bat:
@echo off
@echo hello %1 %2
pause
Invoking the batch file like this: mybatch john billy would output:
hello john billy
Get m...
how to write setTimeout with params by Coffeescript
...eout ( ->
something param
), 1000
The parentheses are optional, but starting the line with a comma seemed messy to me.
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Access lapply index names inside FUN
...
I've had the same problem a lot of times...
I've started using another way... Instead of using lapply, I've started using mapply
n = names(mylist)
mapply(function(list.elem, names) { }, list.elem = mylist, names = n)
...
Show and hide a View with a slide up/down animation
...r the animation
view.setVisibility(View.VISIBLE);
view.setAlpha(0.0f);
// Start the animation
view.animate()
.translationY(view.getHeight())
.alpha(1.0f)
.setListener(null);
You can then fade the View back out and slide it back to its original position. We also set an AnimatorListener...
Simple example of threading in C++
Can someone post a simple example of starting two (Object Oriented) threads in C++.
7 Answers
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Match whole string
...
Use the start and end delimiters: ^abc$
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Specify format for input arguments argparse python
...
Then use that as type:
parser.add_argument("-s",
"--startdate",
help="The Start Date - format YYYY-MM-DD",
required=True,
type=valid_date)
...
Convert string in base64 to image and save on filesystem in Python
...
Starting with
img_data = b'iVBORw0KGgoAAAANSUhEUgAABoIAAAaCCAYAAAABZu+EAAAqOElEQVR42uzBAQEAAACAkP6v7ggK\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
Compelling examples of custom C++ allocators?
...custom allocator
(which derives from std::allocator), I think it is a good starting
point to write own allocators. Feel free to use this piece of code
in whatever way you want:
#include <memory>
#include <stdio.h>
namespace mmap_allocator_namespace
{
// See StackOverflow repli...
Loading/Downloading image from URL on Swift
...ionHandler: completion).resume()
}
Create a method to download the image (start the task)
func downloadImage(from url: URL) {
print("Download Started")
getData(from: url) { data, response, error in
guard let data = data, error == nil else { return }
print(response?.suggested...