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Take all my changes on the current branch and move them to a new branch in Git
I started work on what I thought would be a minor bug fix on my master branch. However, it has spiraled out of control to the point where I wish I had created a separate branch to do the development in the first place.
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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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Expand a random range from 1–5 to 1–7
... big, very fast. Powers of 5 and 7 grow quickly. Hence, performance will start to degrade noticeably after generating lots of random numbers, due to bignum arithmetic. But remember here, my goal was to maximize the usage of random bits, not to maximize performance (although that is a secondary go...
Access lapply index names inside FUN
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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)
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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
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Use the start and end delimiters: ^abc$
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Specify format for input arguments argparse python
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Then use that as type:
parser.add_argument("-s",
"--startdate",
help="The Start Date - format YYYY-MM-DD",
required=True,
type=valid_date)
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Convert string in base64 to image and save on filesystem in Python
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Starting with
img_data = b'iVBORw0KGgoAAAANSUhEUgAABoIAAAaCCAYAAAABZu+EAAAqOElEQVR42uzBAQEAAACAkP6v7ggK\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...