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Getting an “ambiguous redirect” error

... Bash can be pretty obtuse sometimes. The following commands all return different error messages for basically the same error: $ echo hello > bash: syntax error near unexpected token `newline` $ echo hello > ${NONEXISTENT} bash: ${NONEXISTENT}: ambiguous redirect $ echo hello ...
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Conversion failed when converting date and/or time from character string while inserting datetime

...pendent of the dateformat settings in your SQL Server and will NOT work in all situations! or: YYYY-MM-DDTHH:MM:SS for dates and times - note here: this format has dashes (but they can be omitted), and a fixed T as delimiter between the date and time portion of your DATETIME. This is valid for...
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Convert Mercurial project to Git [duplicate]

... solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this? ...
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filter for complete cases in data.frame using dplyr (case-wise deletion)

...data.frame for complete cases using dplyr? complete.cases with a list of all variables works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame). ...
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Storing sex (gender) in database

... I'd call the column "gender". Data Type Bytes Taken Number/Range of Values ------------------------------------------------ TinyINT 1 255 (zero to 255) INT 4 - 2,147,483,...
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What is an OS kernel ? How does it differ from an operating system? [closed]

...ernel is an operating system in that sense. The end-user definition is usually something around "a software package that provides a desktop, shortcuts to applications, a web browser and a media player". A kernel doesn't match that definition. So for an end-user a Linux distribution (say Ubuntu) is...
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Can I do a synchronous request with volley?

...d. Can I do a request using volley in that same thread, so that callbacks happen synchronously? 8 Answers ...
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can we use xpath with BeautifulSoup?

...thon2, but Python3 is much preferred as 2 is being sunset (no longer officially supported) in 2020. – wordsforthewise Sep 30 '19 at 18:59 ...
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How do you enable the escape key close functionality in a Twitter Bootstrap modal?

... You can also append data-keyboard attribute to your div.modal (and omit it in callers) if you invoke the dialog from multiple places. – Vitalik Verhovodov Sep 26 '15 at 13:17 ...
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Set Matplotlib colorbar size to match graph

...Has a lot of trouble interacting with subplot_adjust, you have to get the calls in just the right places relative to each other. – Elliot Aug 12 '13 at 22:16 11 ...