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How to check sbt version?
...oject and its subprojects.
$ sbt sbtVersion
[info] Loading global plugins from /Users/jacek/.sbt/0.13/plugins
[info] Updating {file:/Users/jacek/.sbt/0.13/plugins/}global-plugins...
[info] Resolving org.fusesource.jansi#jansi;1.4 ...
[info] Done updating.
[info] Loading project definition from /Use...
Access Container View Controller from Parent iOS
...the new Container View but am not quite sure how to access it's controller from the containing view.
11 Answers
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Is there a Python caching library?
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From Python 3.2 you can use the decorator @lru_cache from the functools library.
It's a Last Recently Used cache, so there is no expiration time for the items in it, but as a fast hack it's very useful.
from functools import...
Remove excess whitespace from within a string
I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings.
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return statement vs exit() in main()
...ata might not be flushed is in the opposite case: i.e. if one uses return from main() and one has called setbuf() or setvbuf() with a buffer declared as automatic storage in main() (as discussed in R.'s answer below). It's really too bad this question is tagged with both C and C++ (and coding-styl...
getExtractedText on inactive InputConnection warning on android
...he call in the afterTextChanged callback, though it works without warnings from ontextChanged as well.
Previous answer:
I was getting identical messages in logcat as well, though my scenario was slightly different. I wanted to read every character that came into EditText (or composed characters/p...
How do I check what version of Python is running my script?
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From the command line (note the capital 'V'):
python -V
This is documented in 'man python'.
From IPython console
!python -V
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PowerShell: Run command from script's directory
... $scriptpath
Write-host "My directory is $dir"
You can get a lot of info from $MyInvocation and its properties.
If you want to reference a file in the current working directory, you can use Resolve-Path or Get-ChildItem:
$filepath = Resolve-Path "somefile.txt"
EDIT (based on comment from OP):
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static function in C
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Making a function static hides it from other translation units, which helps provide encapsulation.
helper_file.c
int f1(int); /* prototype */
static int f2(int); /* prototype */
int f1(int foo) {
return f2(foo); /* ok, f2 is in the same translat...
How to remove leading zeros from alphanumeric text?
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You can use the StringUtils class from Apache Commons Lang like this:
StringUtils.stripStart(yourString,"0");
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