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How to check if a file exists from inside a batch file [duplicate]
...ng in batch programs.
IF [NOT] ERRORLEVEL number command
IF [NOT] string1==string2 command
IF [NOT] EXIST filename command
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What is the order of precedence for CSS?
I'm trying to figure out why one of my css classes seems to override the other (and not the other way around)
8 Answers
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MongoDB/NoSQL: Keeping Document Change History
...ew version on each change
I came across the Versioning module of the Mongoid driver for Ruby. I haven't used it myself, but from what I could find, it adds a version number to each document. Older versions are embedded in the document itself. The major drawback is that the entire document is duplic...
How to round the minute of a datetime object
...me. I want to add that if using it in PySpark, to parse the date time as a string rather than a date time object.
– Max
Sep 22 '16 at 1:24
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Setting href attribute at runtime
...he class for the anchor element, use '.class-name' and if you have set the id for the anchor element, use '#element-id'.
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How to generate the JPA entity Metamodel?
...cessor.
Hibernate as a dependency
<dependency>
<groupId>org.hibernate.orm</groupId>
<artifactId>hibernate-jpamodelgen</artifactId>
<version>${version.hibernate-jpamodelgen}</version>
<scope>provided</scope>
<...
Python loop counter in a for loop [duplicate]
...between the two. I checked both with the following: python -m timeit "s = 'String used for testing'; ''.join(str(i)+str(c) for i, c in enumerate(s))" and python -m timeit "s = 'String used for testing'; ''.join(str(i)+str(s[i]) for i in xrange(len(s)))". Each of them averaged on 8.83 usec per loop o...
Get jQuery version from inspecting the jQuery object
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You can use either $().jquery; or $.fn.jquery which will return a string containing the version number, e.g. 1.6.2.
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API Versioning for Rails Routes
...uest along with it.
To do this, we call the redirect method and pass it a string with a special-interpolated %{path} parameter. When a request comes in that matches this final match, it will interpolate the path parameter into the location of %{path} inside the string and redirect the user to where...
A python class that acts like dict
...-in functions, like dict.get() as self.get().
You do not need to wrap a hidden self._dict. Your class already is a dict.
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