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How to stop tracking and ignore changes to a file in Git?
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git update-index --skip-worktree <path-name>
It's important to know that git update-index will not propagate with git, and each user will have to run it independently.
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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
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One thing that's important to know about the 4 hour maintenance window is that your server is not down for 4 hours a week! That's just when they'll do maintenance IF there is maintenance to be done. I've had RDS servers running for months and months with z...
Rails - Validate Presence Of Association?
... ActiveRecord::Base
has_one :profile
end
This way, Profile.create will now fail. I have to use user.create_profile or associate a user before saving a profile.
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Batch renaming files with Bash
.../rename pattern which includes new folder structure.
This will ensure we know the names of our target folders. When we
rename we'll need to use it on the target file name.
# generate the rename target
target="$(sed $sed_pattern <<< $file)"
# Use absolute path of the rename target to mak...
Why can I add named properties to an array as if it were an object?
...h title, description and items properties. It all depends on how well you know the language and how you use it.
– tao
Mar 9 at 8:27
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Twitter Bootstrap - how to center elements horizontally or vertically
...e would center just by adding text-center class
Update:
Also, you should know the basics of flexbox and how to use it, since Bootstrap4 now uses it natively.
Here is an excellent, fast-paced video tutorial by Brad Schiff
Here is a great cheat sheet
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Overloaded method selection based on the parameter's real type
... Confusing(int[] iArray)' it would fail to compile, would it not? Because now there are two constructors with the same specificity.
– Risser
Oct 14 '14 at 13:49
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How to center icon and text in a android button with width set to “fill parent”
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I know I am late in answering this question, but this helped me:
<FrameLayout
android:layout_width="match_parent"
android:layout_height="35dp"
android:layout_marginBottom="5dp"
...
Sequence-zip function for c++11?
...rs, and which return zip_iterator from the begin and end member functions. Now you can write
for (auto p: zip(c1, c2)) { ... }
Example implementation (please test):
#include <iterator>
#include <boost/iterator/zip_iterator.hpp>
template <typename C1, typename C2>
class zip_con...
Visual Studio 2012 Web Publish doesn't copy files
...a fresh Visual Studio 2012 project. It published over FTP in the past, but now when I try to Publish it does exactly as above - it pretends to, says it was successful, and pushes nothing. It does build the output to the obj dir, but it never actually copies it to the server. The change Configuration...