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How to change current working directory using a batch file

...st like the commands themselves (CD = cd). I believe that is also true for all external Windows command-line utilities (like FINDSTR, SORT etc.) Third-party tools, on the other hand, can use case-sensitive parameters. – Andriy M Feb 28 '17 at 13:36 ...
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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]

...tf8_unicode_ci uses the standard Unicode Collation Algorithm, supports so called expansions and ligatures, for example: German letter ß (U+00DF LETTER SHARP S) is sorted near "ss" Letter Œ (U+0152 LATIN CAPITAL LIGATURE OE) is sorted near "OE". utf8_general_ci does not support expansions/liga...
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What is the difference between join and merge in Pandas?

... pandas.merge() is the underlying function used for all merge/join behavior. DataFrames provide the pandas.DataFrame.merge() and pandas.DataFrame.join() methods as a convenient way to access the capabilities of pandas.merge(). For example, df1.merge(right=df2, ...) is equiva...
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How do you move a commit to the staging area in git?

...u want to move a commit to the staging area - that is uncommit it and move all of the changes which were in it into the staging area (effectively putting the branch in the state that it would have been in prior to the commit) - how do you do it? Or is it something that you can't do? ...
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ActiveRecord: size vs count

...l valid. You'll adapt the function you use depending on your needs. Basically: if you already load all entries, say User.all, then you should use length to avoid another db query if you haven't anything loaded, use count to make a count query on your db if you don't want to bother with these con...
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How to pass table value parameters to stored procedure from .net code

...to work with it. Assuming your table is a list of integers called "dbo.tvp_Int" (Customize for your own table type) Create this extension method... public static void AddWithValue_Tvp_Int(this SqlParameterCollection paramCollection, string parameterName, List<int> data) { if(paramCollect...
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Is it ok to use dashes in Python files when trying to import them?

Basically when I have a python file like: 7 Answers 7 ...
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Is there any way to hide “-” (Delete) button while editing UITableView

... equivalent to accepted answer with just the needed funcs: func tableView(_ tableView: UITableView, shouldIndentWhileEditingRowAt indexPath: IndexPath) -> Bool { return false } func tableView(_ tableView: UITableView, editingStyleForRowAt indexPath: IndexPath) -> UITableViewCellEditingSt...
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Convert a String representation of a Dictionary to a dictionary?

... Starting in Python 2.6 you can use the built-in ast.literal_eval: >>> import ast >>> ast.literal_eval("{'muffin' : 'lolz', 'foo' : 'kitty'}") {'muffin': 'lolz', 'foo': 'kitty'} This is safer than using eval. As its own docs say: >>> help(ast.literal_e...
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Getting “unixtime” in Java

... platforms (and the year 2038 problem). 64-bit platforms use a larger time_t data type. Java dodged that bullet by using a long as the return for System.currentTimeMillis(). If you convert to int, you're re-introducing the year 2038 problem. See en.wikipedia.org/wiki/Year_2038_problem#Solutions ...