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How to write to an existing excel file without overwriting data (using pandas)?

...nough details: what kind of formulas do you have, how data is updated, how does it brake the formulas. Now I just can't help, too many things I don't know. – Ski Nov 27 '13 at 17:22 ...
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How does HashSet compare elements for equality?

...red equal"). This is almost never implemented on the type itself (i.e. Foo doesn't implement IEqualityComparer<Foo>) but in a separate type which is only used for comparisons. Implement equality in the type itself, by overriding GetHashCode and Equals(object). Ideally, implement IEquatable<...
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How do I iterate over the words of a string?

... This is a poor solution as it doesn't take any other delimiter, therefore not scalable and not maintable. – HelloWorld Jan 10 '11 at 3:57 ...
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Get class that defined method

... In Python 2.7 it does not work. Same error about missing 'im_class'. – RedX May 23 '16 at 11:54 ...
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How to send an email using PHP?

...t the subject and it seems that Hotmail requires some special header or it does not allow the email to pass their servers... I still didn't find the solution though. – antf Nov 5 '14 at 16:47 ...
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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?

... This is what postgres does when a query produces an error and you try to run another query without first rolling back the transaction. (You might think of it as a safety feature, to keep you from corrupting your data.) To fix this, you'll want t...
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How to output numbers with leading zeros in JavaScript [duplicate]

... I like the code, but it does seem to be slower in Chrome. Interested in seeing results from other browsers: jsperf.com/zero-padding-number-methods – Michelle Tilley Jun 2 '13 at 17:58 ...
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php - get numeric index of associative array

... Does PHP guarantee the order of an associative array? – Kevin Burke May 1 '12 at 21:50 7 ...
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input type=“text” vs input type=“search” in HTML5

...o other option -- it's either got a special handling by the browser, or it doesn't. Right now, in most browsers, type=search doesn't, and probably won't (except MAYBE making it look like a search box in iTunes or some other app). Currently, it's there so that YOU can add extra functionality/presen...
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How do I fetch only one branch of a remote Git repository?

...ote branch>:refs/remotes/<remotename>/<local branch> This does not set up tracking though. For more information, see the documentation of git fetch. EDIT: As @user1338062 notes below: if you don't already have a local clone of the repository where you want to add the new branch, b...