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Difference between fprintf, printf and sprintf?

...t; inputfile.dat > output.txt 2> errors.txt In this example, stdin now points to inputfile.dat, stdout points to output.txt, and stderr points to errors.txt. fprintf writes formatted text to the output stream you specify. printf is equivalent to writing fprintf(stdout, ...) and writes...
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How to [recursively] Zip a directory in PHP?

... @Danjah: I've updated the code, should work for both *nix and Windows now. – Alix Axel Oct 18 '11 at 23:38 6 ...
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Ways to implement data versioning in MongoDB

...ake this change at the same time. UPDATE: 2015-10 It looks like there is now a spec for handling JSON diffs. This seems like a more robust way to store the diffs / changes. share | improve this an...
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Python os.path.join on Windows

...the separator. It's pointless to use with os.path.join() since it already knows the right separator. It's also pointless if you end up needing to explicitly specify the root directory by name (as you can see in your own example). Why do "c:" + os.sep instead of simply "c:\\", or os.sep + "usr" inste...
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How to convert SQL Query result to PANDAS Data Structure?

... Edit: Mar. 2015 As noted below, pandas now uses SQLAlchemy to both read from (read_sql) and insert into (to_sql) a database. The following should work import pandas as pd df = pd.read_sql(sql, cnxn) Previous answer: Via mikebmassey from a similar question imp...
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Integrating Dropzone.js into existing HTML form with other fields

... a HTML form which users fill in details of an advert they wish to post. I now want to be able to add a dropzone for uploading images of the item for sale. ...
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PHP calculate age

...:createFromFormat('d/m/Y', '12/02/1973', $tz) ->diff(new DateTime('now', $tz)) ->y; As of PHP 5.3.0 you can use the handy DateTime::createFromFormat to ensure that your date does not get mistaken for m/d/Y format and the DateInterval class (via DateTime::diff) to get the number of ...
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Injecting a mock into an AngularJS service

...ck the functions on the service as needed using Jasmine's spyOn function. Now, if the service itself is a function, and not an object that you can use spyOn with, there's another way to go about it. I needed to do this, and found something that works pretty well for me. See How do you mock Angular ...
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UTF-8 byte[] to String

...ream to read the bytes of a UTF-8 encoded text file into a byte array. I know that I can use the following routine to convert the bytes to a string, but is there a more efficient/smarter way of doing this than just iterating through the bytes and converting each one? ...
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Broken references in Virtualenvs

... I deleted my entire virtualenv dir. now i cannot remove symlinks. Non of the solutions mentioned on this page work for me on mac. i still get same error "image not found . Abort trap: 6" – Aseem Jul 3 '18 at 7:24 ...