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How to strip leading “./” in unix “find”?
... find, just in case if someone doesn't want to install gnu find using brew etc:
find . -type f -execdir printf '%s\n' {} +
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How to Git stash pop specific stash in 1.8.3?
... curly braces may require escaping or quoting depending on your OS, shell, etc.
See "stash@{1} is ambiguous?" for some detailed hints of what may be going wrong, and how to work around it in various shells and platforms.
git stash list
git stash apply stash@{n}
git stash apply version
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How expensive is RTTI?
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if (typeid(a) == typeid(b)) {
B* ba = static_cast<B*>(&a);
etc;
}
instead of
B* ba = dynamic_cast<B*>(&a);
if (ba) {
etc;
}
The former involves only one comparison of std::type_info; the latter necessarily involves traversing an inheritance tree plus comparisons.
P...
MySQL - Using COUNT(*) in the WHERE clause
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There can't be aggregate functions (Ex. COUNT, MAX, etc.) in A WHERE clause. Hence we use the HAVING clause instead. Therefore the whole query would be similar to this:
SELECT column_name, aggregate_function(column_name)
FROM table_name
WHERE column_name operator value
GROUP ...
How to install 2 Anacondas (Python 2 and 3) on Mac OS
...ach ipython notebook sets up another port (localhost:8888, localhost:8889, etc.). So just keep them straight and you're all set.
– alexis
May 1 '15 at 15:52
5
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Javascript roundoff number to nearest 0.5
...and for that i can only assign font size in pts to 1, 1.5 or 2 and onwards etc.
7 Answers
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Make EditText ReadOnly
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If you setEnabled(false) then your editText would look disabled (gray, etc). You may not want to change the visual aspect of your editor.
A less intrusive way would be to use setFocusable(false).
I believe that this answers your question closer to your initial intent.
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Get UIScrollView to scroll to the top
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UPDATE FOR iOS 7
[self.scrollView setContentOffset:
CGPointMake(0, -self.scrollView.contentInset.top) animated:YES];
ORIGINAL
[self.scrollView setContentOffset:CGPointZero animated:YES];
or if you want to preserve the horizontal scroll position and ju...
How to comment lines in rails html.erb files? [duplicate]
...in any mixed language Rails View file, e.g, *.html.erb, *.js.erb, *.rhtml, etc.
This should also work with STD OUT/printing code, e.g. <%#= f.label :title %>
DETAILS:
Rather than use rails brackets on each line and commenting in front of each starting bracket as we usually do like this:
&l...
Regular expression for a hexadecimal number?
..., depends on the flavor you need to use (php, javascript, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
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