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Delete keychain items when an app is uninstalled
...ve a look at that thread: stackoverflow.com/questions/20269116/…. If you start your app from the background, there are cases where your custom keys in NSUserDefaults are just not set. Applying this answer would lead to delete your Keychain custom keys although you really didn't want that!
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Strings in a DataFrame, but dtype is object
...1].
If you ask your computer to fetch the 3rd element in the array, it'll start at the beginning and then jump across 64 bits to get to the 3rd element. Knowing exactly how many bits to jump across is what makes arrays fast.
Now consider the sequence of strings ['hello', 'i', 'am', 'a', 'banana']. ...
Exception 'open failed: EACCES (Permission denied)' on Android
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This permission is enforced starting in API level 19. Before API level 19, this permission is not enforced and all apps still have access to read from external storage.
– AndroidGeek
Jul 1 '15 at 8:15
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Copy files from one directory into an existing directory
...irectory and copies it to the target, then returns back to whence ever you started.
The extra fussing is to handle relative or absolute targets.
(This doesn't rely on subtle semantics of the cp command itself ... about how it handles source specifications with or without a trailing / ... since I'm...
How best to include other scripts?
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I know I am late to the party, but this should work no matter how you start the script and uses builtins exclusively:
DIR="${BASH_SOURCE%/*}"
if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
. "$DIR/incl.sh"
. "$DIR/main.sh"
. (dot) command is an alias to source, $PWD is the Path for the Working Di...
How to read a text file into a list or an array with Python
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So you want to create a list of lists... We need to start with an empty list
list_of_lists = []
next, we read the file content, line by line
with open('data') as f:
for line in f:
inner_list = [elt.strip() for elt in line.split(',')]
# in alternative, i...
Using Version Control for Home Development?
...n a free book that contains pretty much everything you need to know to get started:
http://svnbook.red-bean.com/nightly/en/index.html
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Where are the Properties.Settings.Default stored?
... something like "UpgradeNeeded" and default it to true. Then when your app starts, check this. If it's true, call Properties.Settings.Default.Upgrade(), .Save() and .Reload(). Then reset UpgradeNeeded to false and save.
– jasonh
Nov 20 '11 at 22:11
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Unit Testing bash scripts
...simple text-based interface between testing modules in a test harness. TAP started life as part of the test harness for Perl but now has implementations in C, C++, Python, PHP, Perl, Java, JavaScript, and others.
bats-core
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
.... If that's true, do they ever represent something different? I'd like to start assigning versions to the different builds of my software, but I'm not really sure how it should be structured. My software has five distinct components.
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