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Efficient evaluation of a function at every cell of a NumPy array

...one would like to avoid possible cache misses if axis are handled in wrong order. Numpy has already a machinery in place to process axes in the best possible order. One possibility to use this machinery is np.vectorize. However, numpy's documentation on np.vectorize states that it is "provided prim...
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Auto detect mobile browser (via user-agent?) [closed]

...r agents and store unknowns as they are detected for revision and then manually figure out what they are. This last thing might be overkill in some cases. If you want to do it at Apache level, you can create a script which periodically generates a set of rewrite rules checking the user agent (or ju...
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Rails 4 multiple image or file upload using carrierwave

...product.pictures[1].url If you choose several images from a folder, the order will be the exact order you are taking them from top to bottom. share | improve this answer | ...
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Get Insert Statement for existing row in MySQL

...T INTO dest_db.dest_table SELECT * FROM source_db.source_table; If you really want the INSERT statements, then the only way that I know of is to use mysqldump http://dev.mysql.com/doc/refman/5.1/en/mysqldump.htm. You can give it options to just dump data for a specific table and even limit rows. ...
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Best way to store password in database [closed]

...d thing you are thinking about this and it is a good question, this is actually a duplicate of these questions (at least): How to best store user information and user login and password Best practices for storing database passwords Salting Your Password: Best Practices? Is it ever ok to store pass...
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Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]

...ot. Android Development Tools (ADT) 9.0.0 (or later) has a feature that allows you to save state of the AVD (emulator), and you can start your emulator instantly. You have to enable this feature while creating a new AVD or you can just create it later by editing the AVD. Also I have increased th...
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How to get all possible combinations of a list’s elements?

... the input iterable. Combinations are emitted in lexicographic sort order. So, if the input iterable is sorted, the combination tuples will be produced in sorted order. Since 2.6, batteries are included! share...
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Do you need break in switch when return is used?

...se return instead of break... break is optional and is used to prevent "falling" through all the other case statements. So return can be used in a similar fashion, as return ends the function execution. Also, if all of your case statements are like this: case 'foo': $result = find_result(...)...
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Stop LastPass filling out a form

...stpass user needs to have this option enabled: Settings > Advanced > Allow pages to disable autofill So this depends on both user and the developer. share | improve this answer | ...
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Stop Excel from automatically converting certain text values to dates

...string literal is the content of the string. Thus the quotation marks magically disappear. You can put =1+2+3 and get the value 6 after CSV import. The formula itself is not destroyed in the import process. – lokori Oct 8 '14 at 13:16 ...