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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...lem occur when you get a 'tablespace full' error when running in a 'innodb_file_per_table' mode. Without going into too much detail (more here), the database server's tablespace is defined by the innodb_data_file_path setting and by default is rather small. Even made larger, the 'tablespace full' ...
Securely storing environment variables in GAE with app.yaml
... does not suit the project. Rather, I'd like to swap out the values from a file that is listed in .gitignore on each deployment of the app.
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How do PHP sessions work? (not “how are they used?”)
Session files are usually stored in, say, /tmp/ on the server, and named sess_{session_id} . I have been looking at the contents and cannot figure out how they really work.
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How do you beta test an iphone app?
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Creating ad-hoc distribution profiles
The instructions that Apple provides are here, but here is how I created a general provisioning profile that will work with multiple apps, and added a beta tester.
My setup:
Xcode 3.2.1
iPhone SDK 3.1.3
Before you...
Pretty printing XML in Python
...udes a pretty print function
import lxml.etree as etree
x = etree.parse("filename")
print etree.tostring(x, pretty_print=True)
Check out the lxml tutorial:
http://lxml.de/tutorial.html
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Web workers without a separate Javascript file?
...far as I can tell, web workers need to be written in a separate JavaScript file, and called like this:
25 Answers
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Use C++ with Cocoa Instead of Objective-C?
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Yes, you can just use C++ (i.e. writing it in *.cpp files) and even mix C++ and Objective-C inside *.mm files (standard Objective-C code is stored in *.m files).
Of course, you still have to use Objective-C for your user-interface and create Objective-C wrappers for your C++ ...
How to get element by classname or id
...s name when using it:
var result = document.getElementsByClassName("multi-files");
Wrap it in jqLite (or jQuery if jQuery is loaded before Angular):
var wrappedResult = angular.element(result);
If you want to select from the element in a directive's link function you need to access the DOM ref...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...rd, but I do know that you can construct your interface in IB using a .xib file which is nearly identical to using the storyboard version; You should even be able to copy & paste your views as a whole from your existing interface to the .xib file.
To test this out I created a new empty .xib nam...
Re-sign IPA (iPhone)
...ert1 for app store submission with no devices added in the provisioning profile. Results in a new IPA signed with a enterprise account and a mobile provisioning profile for in house deployment (the mobile provisioning profile gets embedded to the IPA).
Solution:
Unzip the IPA
unzip Application.ip...