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Can't find the 'libpq-fe.h header when trying to install pg gem
... using an app from PostgreSQL main website. In my case (OS X) I found the file under /Library/PostgreSQL/9.1/include/ once the installation was over. You may also have the file somewhere else depending on your system if you already have PostgreSQL installed.
Thanks to this link on how to add an ad...
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...es the exception. Also if you had got
the comments collection in your jsp file like this(instead of getting it in your controller):
<c:forEach items="topic.comments" var="item">
//some code
</c:forEach>
You would still have the same exception for the same reason.
Solving the proble...
Where can I locate themes for VS2012
... dated 10/14 or you will be missing icons. As of 1/3/2013 I downloaded the file named "NiceVS.0.8.1.1 Beta.Full.vsix".
6) Download and install VS2012 Color Theme Editor - The next time you start VS2012 select the "Blue" theme from the color select window.
Now you should have a nice install of VS20...
pull/push from multiple remote locations
...almost shorthand for git pull origin HEAD (actually it looks in the config file to determine this, but you get the idea).
For pushing updates, you have to do that to each repo manually.
A push was, I think, designed with the central-repository workflow in mind.
...
Catching an exception while using a Python 'with' statement
...
Will the file get closed in this example? I ask because it was opened outside of the "with" scope.
– Mike Collins
Mar 8 '18 at 21:25
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Defining a variable with or without export
...
I'd also add that if the export is in a file that you "source" (like . filename) then it exports it to your working environment as well.
– rogerdpack
Sep 17 '13 at 22:44
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CRON job to run on the last day of the month
...
This works great. In the crontab file the % must be escaped. So [ $(date -d +1day +\%d) -eq 1 ] && run_job
– ColinM
Sep 2 '14 at 14:27
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...or you to enter more code.
You can add the command to your .vimrc or .exrc file to make it permanent. Just omit the colon from the beginning, so the command starts with "map"
Enjoy!
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What is the difference between user and kernel modes in operating systems?
...d out, and thus have arbitrary hardware accesses.
Otherwise, for example, file permissions would be useless if any program could directly read from disk.
More precisely thanks to Michael Petch: it is actually possible for the OS to allow IO instructions on ring 3, this is actually controlled by th...
Sending emails in Node.js? [closed]
...arge attachments, found emailjs and happy ever since.
It supports sending files by using normal File objects, and not huge Buffers as nodemailer requires. Means that you can link it to, f.e., formidable to pass the attachments from an html form to the mailer. It also supports queueing..
All in all...