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What does the “@” symbol do in Powershell?

...ters, e.g. using the hash table just above, Copy-Item @HashArguments Here strings (see about_quoting_rules) Let's you create strings with easily embedded quotes, typically used for multi-line strings, e.g.: $data = @" line one line two something "quoted" here "@ Because this type of question (w...
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CFBundleVersion in the Info.plist Upload Error

...ple deletes any leading zeroes inside the version number; i.e. the "whole string" is NOT treated as a number, instead the bits between dots are treated as SEPARATE numbers. e.g. "1.02" is treated by Apple as "1.2". So, for Apple, 1.02 is GREATER THAN 1.1 Apple sometimes gets "confused" and seems to...
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jQuery returning “parsererror” for ajax request

...eason why this parsererror message occurs is that when you simply return a string or another value, it is not really Json, so the parser fails when parsing it. So if you remove the dataType: json property, it will not try to parse it as Json. With the other method if you make sure to return your ...
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Where are the Properties.Settings.Default stored?

...erties.Settings> <setting name="SavedUserName" serializeAs="String"> <value /> </setting> <setting name="SavedPassword" serializeAs="String"> <value /> </setting> <setting name="CheckSave" ...
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Open new Terminal Tab from command line (Mac OS X)

... if the path is coming from a variable, you'll need to use a double-quoted string instead of single-quoted, and escape the inner quoted string, and probably the path itself. – Gordon Davisson Dec 23 '18 at 6:02 ...
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How do I sort a list of dictionaries by a value of the dictionary?

... is rather hackish, since it relies on converting the values into a single string representation for comparison, but it works as expected for numbers including negative ones (although you will need to format your string appropriately with zero paddings if you are using numbers). ...
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Another Repeated column in mapping for entity error

... Explaining with an example... @Column(name = "column1") private String object1; @ManyToOne(fetch = FetchType.EAGER) @JoinColumn(name = "column1", referencedColumnName = "column1") private TableClass object2; The problem in the above code snippet is we are repeating mappi...
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The order of keys in dictionaries

... return dict_tmp dict_a = load_dict(a) dict_s = load_dict(s) print('for string %s, the keys are %s'%(s, dict_s.keys())) print('for string %s, the keys are %s'%(a, dict_a.keys())) output: for string abbc, the keys are dict_keys(['a', 'b', 'c']) for string cbab, the keys are dict_keys(['c...
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How do I pre-populate a jQuery Datepicker textbox with today's date?

...ntation, setDate() happily accepts the JavaScript Date object, number or a string: The new date may be a Date object or a string in the current date format (e.g. '01/26/2009'), a number of days from today (e.g. +7) or a string of values and periods ('y' for years, 'm' for months, 'w' for w...
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Transform DateTime into simple Date in Ruby on Rails

... workaround. Converting from DateTime to Date with correct timezone trough string (!!!) is not elegant. Understanding the internals of the DateTime and Date is not easy. Just rampaging, ignore! :-) – Notinlist Sep 3 '10 at 8:56 ...