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How to avoid reinstalling packages when building Docker image for Python projects?

... install. If it doesn't work, check your docker version. Client version: 1.1.2 Client API version: 1.13 Go version (client): go1.2.1 Git commit (client): d84a070 Server version: 1.1.2 Server API version: 1.13 Go version (server): go1.2.1 Git commit (server): d84a070 ...
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how to check the jdk version used to compile a .class file [duplicate]

...t the major version from the results. Here are some example values: Java 1.2 uses major version 46 Java 1.3 uses major version 47 Java 1.4 uses major version 48 Java 5 uses major version 49 Java 6 uses major version 50 Java 7 uses major version 51 Java 8 uses major version 52 Java 9 uses major ver...
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xkcd style graphs in MATLAB

...p; lines %# ------------------------ %# box around "walking back..." xx = 1.2:0.1:3.74; yy = ns(xx, 4.6) + noise(xx, 0.007); plot(xx, yy, blackline{:}) xx = 1.2:0.1:3.74; yy = ns(xx, 3.8) + noise(xx, 0.007); plot(xx, yy, blackline{:}) yy = 3.8:0.1:4.6; xx = ns(yy, 1.2) + noise(yy, 0.007); plot(xx...
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Peak signal detection in realtime timeseries data

....9,1,1,1.1,1,1,1,1,1.1,0.9,1,1.1,1,1,0.9, 1,1.1,1,1,1.1,1,0.8,0.9,1,1.2,0.9,1,1,1.1,1.2,1,1.5,1,3,2,5,3,2,1,1,1,0.9,1,1,3, 2.6,4,3,3.2,2,1,1,0.8,4,4,2,2.5,1,1,1]) # Settings: lag = 30, threshold = 5, influence = 0 lag = 30 threshold = 5 influence = 0 # Run algo with settings from abo...
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Using multiple let-as within a if-statement in Swift

...atitudeDouble is non-optional in here and importantThing is true } Swift 1.2: Apple may have read your question, because your hoped-for code compiles properly in Swift 1.2 (in beta today): if let latitudeDouble = latitude as? Double, longitudeDouble = longitude as? Double { // do stuff here ...
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Static function variables in Swift

... Swift 1.2 with Xcode 6.3 now supports static as expected. From the Xcode 6.3 beta release notes: “static” methods and properties are now allowed in classes (as an alias for “class final”). You are now allowed to decl...
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How do I install the yaml package for Python?

...c). ruamel.yaml is now the non-out-of-date package that implements the YAML1.2 specification – Anthon Mar 30 '16 at 19:19 ...
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Python: Select subset from list based on index set

...roperty_a = numpy.array([545., 656., 5.4, 33.]) property_b = numpy.array([ 1.2, 1.3, 2.3, 0.3]) good_objects = [True, False, False, True] good_indices = [0, 3] property_asel = property_a[good_objects] property_bsel = property_b[good_indices] Using a list comprehension and zip it: property_a = [54...
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Why not use Double or Float to represent currency?

...arge numbers and small numbers. In java, System.out.println(1000000.0f + 1.2f - 1000000.0f); results in 1.1875 share | improve this answer | follow | ...
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Best practices for SQL varchar column length [closed]

...nd a quick test confirmed that increasing the column size for a table with 1.2 million rows indeed only took 0.5 seconds. For Oracle this seems to be true as well, judging by the time it takes to alter a big table's varchar column. But I could not find any reference for that. For MySQL the manual...