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SQL - find records from one table which don't exist in another
I've got the following two SQL tables (in MySQL):
8 Answers
8
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How to avoid “Permission denied” when using pip with virtualenv
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Solution:
If you created the virtualenv as root, run the following command:
sudo chown -R your_username:your_username path/to/virtuaelenv/
This will probably fix your problem.
Cheers
share...
How do I change the root directory of an apache server? [closed]
Does anyone know how to change the document root of the Apache server? I basically want localhost to come from /users/spencer/projects directory instead of /var/www .
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Configure Log4net to write to multiple files
...sage%newline" />
</layout>
</appender>
<root>
<level value="DEBUG" />
<appender-ref ref="File1Appender" />
<appender-ref ref="File2Appender" />
</root>
</log4net>
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is there a css hack for safari only NOT chrome?
...13 (early-2020):
/* Safari 7.1+ */
_::-webkit-full-page-media, _:future, :root .safari_only {
color:#0000FF;
background-color:#CCCCCC;
}
To cover more versions, 6.1 and up, at this time you have to use the next pair of css hacks. The one for 6.1-10.0 to go with one that handles 10.1 and up...
Convert JS Object to form data
...hould work on IE11 and evergreen browsers.
function objectToFormData(obj, rootName, ignoreList) {
var formData = new FormData();
function appendFormData(data, root) {
if (!ignore(root)) {
root = root || '';
if (data instanceof File) {
formDat...
What data is stored in Ephemeral Storage of Amazon EC2 instance?
...f you "stop" an instance that is backed by EBS then the information on the root volume will still be in the same state when you "start" the machine again. According to the documentation, "By default, the root device volume and the other Amazon EBS volumes attached when you launch an Amazon EBS-back...
How do I pre-populate a jQuery Datepicker textbox with today's date?
... This also worked as I wished, since my dateFormat needs to match MySQL's date format (yy-mm-dd). This setDate adds zero padding to the month and day.
– jjohn
Oct 8 '14 at 17:34
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/etc/apt/sources.list" E212: Can't open file for writing
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That happens to me all the time, I open a root file for writing:
Instead of losing all your changes and re-opening with sudo. See this demo of how to save those changes:
One time Setup demo to create a root owned read only file for a lower user:
sudo touch temp.t...
How to get the root dir of the Symfony2 application?
What is the best way to get the root app directory from inside the controller? Is it possible to get it outside of the controller?
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