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In where shall I use isset() and !empty()

... it's not a good idea to use this operator for math in case "0" is accidentally a string. This can be dangerous. Instead, use basic >, < and == operators and convert variables using intval() or floatval(). – kaleazy Feb 14 at 18:08 ...
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Convert a Scala list to a tuple?

...e of Scala sequence using the +: syntax. Also, don't forget to add a catch-all – ig-dev Jun 19 '19 at 8:33 add a comment  |  ...
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Get local IP address

...sing Geraldo H Answer, but if anyone is using this, you may want to remove all ips that ends with 1, so it will remove loopback and virtualbox/vmware default ips – Leonardo Xavier Jun 23 '15 at 13:03 ...
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Getting the caller function name inside another function in Python? [duplicate]

...on 2 each frame record is a list. The third element in each record is the caller name. What you want is this: >>> import inspect >>> def f(): ... print inspect.stack()[1][3] ... >>> def g(): ... f() ... >>> g() g For Python 3.5+, each frame record i...
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Naming returned columns in Pandas aggregate function? [duplicate]

...er, this does not work with lambda functions, since they are anonymous and all return <lambda>, which causes a name collision: >>> df.groupby('A').agg({'B': [lambda x: x.min(), lambda x: x.max]}) SpecificationError: Function names must be unique, found multiple named <lambda> ...
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How to get Visual Studio 'Publish' functionality to include files from post build event?

...ss that collects the files for packaging. The target we need to extend is called CopyAllFilesToSingleFolder. This target has a dependency property, PipelinePreDeployCopyAllFilesToOneFolderDependsOn, that we can tap into and inject our own target. So we will create a target named CustomCollectFiles a...
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Cosine Similarity between 2 Number Lists

... scientific routines for example, "routines for computing integrals numerically, solving differential equations, optimization, and sparse matrices." It uses the superfast optimized NumPy for its number crunching. See here for installing. Note that spatial.distance.cosine computes the distance, and ...
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How to do Base64 encoding in node.js?

...uld be .toString("binary") (atob stands for ascii(base64) to binary, after all) – 12Me21 Jan 14 at 19:55 @12Me21 I tho...
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Javascript Drag and drop for touch devices [closed]

...r("touchcancel", touchHandler, true); } And in your document.ready just call the init() function code found from Here share | improve this answer | follow ...
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Calculating a directory's size using Python?

... This walks all sub-directories; summing file sizes: import os def get_size(start_path = '.'): total_size = 0 for dirpath, dirnames, filenames in os.walk(start_path): for f in filenames: fp = os.path.join(di...