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UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang
...HOWTO. This error is the very first example.
Basically, stop using str to convert from unicode to encoded text / bytes.
Instead, properly use .encode() to encode the string:
p.agent_info = u' '.join((agent_contact, agent_telno)).encode('utf-8').strip()
or work entirely in unicode.
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Android: Temporarily disable orientation changes in an Activity
... should not be interrupted. I'm doing the heavy lifting in another thread, and using a progress dialog which I set as non-cancellable. However, I noticed that if I rotate my phone it restarts the activity which is REALLY bad for the process that was running, and I get a Force Close.
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Real life example, when to use OUTER / CROSS APPLY in SQL
I have been looking at CROSS / OUTER APPLY with a colleague and we're struggling to find real life examples of where to use them.
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Acronyms in CamelCase [closed]
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To convert to CamelCase, there is also Google's (nearly) deterministic Camel case algorithm:
Beginning with the prose form of the name:
Convert the phrase to plain ASCII and remove any apostrophes.
For example, "Mül...
Arrow operator (->) usage in C
...g a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivalent of...
Markdown and including multiple files
...signed to allow people to write simple, readable text that could be easily converted to a simple HTML markup. It doesn't really do document layout. For example, there's no real way to align an image to the right or left. As to your question, there's no markdown command to include a single link fr...
get list of pandas dataframe columns based on data type
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As of pandas v0.14.1, you can utilize select_dtypes() to select columns by dtype
In [2]: df = pd.DataFrame({'NAME': list('abcdef'),
'On_Time': [True, False] * 3,
'On_Budget': [False, True] * 3})
In [3]: df.select_dtypes(in...
Creating .pem file for APNS?
... where you downloaded the files, in my case the Desktop:
$ cd ~/Desktop/
Convert the .cer file into a .pem file:
$ openssl x509 -in aps_development.cer -inform der -out PushChatCert.pem
Convert the private key’s .p12 file into a .pem file:
$ openssl pkcs12 -nocerts -out PushChatKey.pem -in Pu...
Java 8 Iterable.forEach() vs foreach loop
... if( prev != null )
foo(prev, curr);
prev = curr;
}
Can't handle checked exceptions. Lambdas aren't actually forbidden from throwing checked exceptions, but common functional interfaces like Consumer don't declare any. Therefore, any code that throws checked exceptions must wrap them...
C++ where to initialize static const
...// No definition for i. (*)
const int foo::j = 4;
(*) According to the standards you must define i outside of the class definition (like j is) if it is used in code other than just integral constant expressions. See David's comment below for details.
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