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Combine --user with --prefix error with setup.py install
...his file present will cause issues when installing Python packages system-wide (i.e., without --user) as this user with this ~/.pydistutils.cfg.
The cause of this issue
This appears to be an issue with both OpenSUSE and RedHat, which has lead to a bug in virtualenv on these platforms.
The error s...
How to check if a table contains an element in Lua?
...eally add anything to the discussion. It probably would have been a better idea to edit interjay's answer.
– bcdan
Jun 10 '15 at 15:53
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Pass parameter to fabric task
...cordingly. (We hope to improve upon this in future versions of Fabric, provided an intuitive syntax can be found.)"
– Carl G
May 6 '14 at 15:39
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Difference between var_dump,var_export & print_r
...bugging purposes, too, but does not include the member's type. It's a good idea to use if you know the types of elements in your array, but can be misleading otherwise. print_r by default prints the result, but allows returning as string instead by using the optional $return parameter.
Array (
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JSR-303 @Valid annotation not working for list of child objects
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You need to decorate addresses member of UserAddressesForm with @Valid annotation. See section 3.1.3 and 3.5.1 of JSR 303: Bean Validation. As I explained in my answer to the question Is there a standard way to enable JSR 303 Bean Validation using annotated method, this is the real use of @Va...
How to open the Chrome Developer Tools in a new window?
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As of some point mid 2016 you only have to click the vertical ellipses for the docking options to appear, you no longer have to click and hold.
– Chris B
Sep 15 '16 at 8:52
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How to use a WSDL file to create a WCF service (not make a call)
...ervice, configure endpoints and so forth - or you can host your service inside IIS.
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Shell script to delete directories older than n days
... start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each such result found, do the following command in ...
rm -rf {}: recursively force remove the directory; the {} part is where the find result gets su...
Should I use the Reply-To header when sending emails as a service to others?
Suppose we have an application that acts as a middleman, allowing Company A to send reports to their customers.
3 Answers
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Database cluster and load balancing
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Database clustering is a bit of an ambiguous term, some vendors consider a cluster having two or more servers share the same storage, some others call a cluster a set of replicated servers.
Replication defines the method by which a set of servers remain synchronized without having to share t...