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How to check command line parameter in “.bat” file?

...gq bla2" The syntax of the command is incorrect. The script won't run at all. Same for args.bat: D:\>args bla2" The syntax of the command is incorrect. But what do I get, when the number of "-characters "matches" (i.e. - is even), in such a case: D:\>args bla2" "bla3 bla2" "bla3 Done. ...
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Mercurial: how to amend the last commit?

... Good answer! The experimental evolve extension allows you to safely amend non-head commits. The old commit will be marked obsolete and hidden. With a non-publishing server, you can even do this safely after you've pushed the changesets. – Martin Geis...
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SQL select only rows with max value on a column [duplicate]

... At first glance... All you need is a GROUP BY clause with the MAX aggregate function: SELECT id, MAX(rev) FROM YourTable GROUP BY id It's never that simple, is it? I just noticed you need the content column as well. This is a very common q...
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Using column alias in WHERE clause of MySQL query produces an error

... JoniJoni 98.4k1111 gold badges118118 silver badges173173 bronze badges ...
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What does 'const static' mean in C and C++?

...t depending on the architecture, and might be in memory marked read-only. All that is how C treats these variables (or how C++ treats namespace variables). In C++, a member marked static is shared by all instances of a given class. Whether it's private or not doesn't affect the fact that one variab...
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Python serialization - Why pickle?

...) into a character stream. The idea is that this character stream contains all the information necessary to reconstruct the object in another python script. As for where the pickled information is stored, usually one would do: with open('filename', 'wb') as f: var = {1 : 'a' , 2 : 'b'} pic...
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How can I read numeric strings in Excel cells as string (not numbers)?

... 98 I don't think we had this class back when you asked the question, but today there is an easy an...
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Why should I use an IDE? [closed]

...meone who uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one? ...
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Encapsulation vs Abstraction?

...actions. At its most abstract level there is no implementation details at all and perhaps very few commonalities, which are added as the abstraction decreases. As an example, at the top might be an interface with a single method, then the next level, provides several abstract classes, which may or...
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What Java ORM do you prefer, and why? [closed]

... Hey, is this all true for big real life projects? – santiagobasulto Oct 5 '10 at 2:13 30 ...