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Change date of git tag (or GitHub Release based on it)
...fectly usable, it has the effect of putting your tags out of chronological order which can screw with build systems that look for the "latest" tag. But have no fear. Linus thought of everything:
# This moves you to the point in history where the commit exists
git checkout SHA1_OF_PAST_COMMIT
#...
Differences between action and actionListener
...Faces process/update and JSF f:ajax execute/render attributes.
Invocation order
The actionListeners are always invoked before the action in the same order as they are been declared in the view and attached to the component. The f:ajax listener is always invoked before any action listener. So, the f...
MySQL ON vs USING?
...ces one output column for each
of the listed column pairs (in the listed order), followed by any
remaining columns from T1, followed by any remaining columns from T2.
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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
...erts to ~/.wgetrc file.
You can also fix that by running ln -sT /usr/ssl /etc/ssl as pointed out in another answer, but that will work only if you have administrative access to the system. Other solutions I described do not require that.
...
How is Math.Pow() implemented in .NET Framework?
..., because the problem that you are solving (i.e. the one with integers) is orders of magnitudes simpler, and can be solved in a few lines of C# code with the exponentiation by squaring algorithm.
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Checking Bash exit status of several commands efficiently
... use extensively on my Red Hat system. They use the system functions from /etc/init.d/functions to print green [ OK ] and red [FAILED] status indicators.
You can optionally set the $LOG_STEPS variable to a log file name if you want to log which commands fail.
Usage
step "Installing XFS filesyst...
Python executable not finding libpython shared library
... started). This setting will affect your user only.
Add /usr/local/lib to /etc/ld.so.conf and run ldconfig. This is a system-wide setting of course.
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Where do I find the bashrc file on Mac?
...ks='du -cks * | sort -rn | head -15'
# Source global definitions
if [ -f /etc/bashrc ]; then
. /etc/bashrc
fi
PATH=$PATH:/home/username/bin:/usr/local/homebrew
export PATH
If you create your own .bashrc file make sure that the following line is in your ~/.bash_profile
# Get the aliases and ...
ActiveRecord OR query
... to use arrays as arguments, the following code works in Rails 4:
query = Order.where(uuid: uuids, id: ids)
Order.where(query.where_values.map(&:to_sql).join(" OR "))
#=> Order Load (0.7ms) SELECT "orders".* FROM "o
Java: Get first item from a collection
...urn the first thing you put in the collection, and may only make sense for ordered collections. Maybe that is why there isn't a get(item) call, since the order isn't necessarily preserved.
While it might seem a bit wasteful, it might not be as bad as you think. The Iterator really just contains i...