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What is a JavaBean exactly?

... A JavaBean is just a standard All properties private (use getters/setters) A public no-argument constructor Implements Serializable. That's it. It's just a convention. Lots of libraries depend on it though. With respect to Serializable, from the API d...
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How can I change UIButton title color?

... With Swift 5, UIButton has a setTitleColor(_:for:) method. setTitleColor(_:for:) has the following declaration: Sets the color of the title to use for the specified state. func setTitleColor(_ color: UIColor?, for state: UIControlState) The following Playgro...
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What's a reliable way to make an iOS app crash?

...er performs a particular action that a real user is unlikely to do accidentally. 18 Answers ...
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Primary key or Unique index?

...ork we have a big database with unique indexes instead of primary keys and all works fine. 15 Answers ...
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”

... Copying the content from the above link for quick reference: #define PEM_STRING_X509_OLD "X509 CERTIFICATE" #define PEM_STRING_X509 "CERTIFICATE" #define PEM_STRING_X509_PAIR "CERTIFICATE PAIR" #define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE" #define PEM_STRING_X509_REQ_OLD "NEW CERTI...
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How to enter a multi-line command

...me However, this is only ever necessary in such cases as shown above. Usually you get automatic line continuation when a command cannot syntactically be complete at that point. This includes starting a new pipeline element: Get-ChildItem | Select Name,Length will work without problems since a...
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Wildcards in jQuery selectors

I'm trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work.. ...
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Combine two ActiveRecord::Relation objects

...lation.or(last_name_relation) † Only in ActiveRecord 5+; for 4.2 install the where-or backport. share | improve this answer | follow | ...
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How to decode HTML entities using jQuery?

...the approach from either that answer or Mark Amery's answer instead. Actually, try var decoded = $("<div/>").html(encodedStr).text(); share | improve this answer | ...
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What does @: (at symbol colon) mean in a Makefile?

...nd nothing gets done. For example (from Linux's scripts/Makefile.clean): __clean: $(subdir-ymn) ifneq ($(strip $(__clean-files)),) +$(call cmd,clean) endif ifneq ($(strip $(__clean-dirs)),) +$(call cmd,cleandir) endif ifneq ($(strip $(clean-rule)),) +$(clean-rule) endif @: ...