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Validate phone number with JavaScript
...test(value). Everything that's not a digit, including whitespaces, dashes, etc...
– Gus
Jul 4 '19 at 1:59
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How to set layout_gravity programmatically?
...youtParams depending on the parent. It can be RelativeLayout, LinearLayout etc...
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How can I see the request headers made by curl when sending a request to the server?
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curl -v -D - stackoverflow.com -o /dev/null (in order to do not display whole site's content, just headers)
– omnomnom
May 26 '11 at 8:46
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Omitting one Setter/Getter in Lombok
... Lombok. Since it has about a dozen fields, I annotated it with @Data in order to generate all the setters and getter. However there is one special field for which I don't want to the accessors to be implemented.
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What's the best way to do a backwards loop in C/C#/C++?
... For the first thing - why not just use end and begin in reverse order?
– Tomáš Zato - Reinstate Monica
Jan 6 '16 at 15:56
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Conveniently map between enum and int / String
...ske uses an id just because the ordinal changes when the enum values get reordered.
– extraneon
Feb 16 '11 at 19:52
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Create a string with n characters
...rmance, thus all the gory details of StringBuilder, Compiler optimisations etc. are hidden.
If the function would turn out as slow it would be a bug of the library.
With Java 11 it becomes even easier:
" ".repeat(length);
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Converting a UNIX Timestamp to Formatted Date String
... object. It provides excellent support for dates/times including timezones etc
– liquorvicar
Apr 6 '12 at 7:35
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
...fault_value when default_value is a method, as it will be called anyway in order to pass its result to fetch.
If your default_value is a method, you can wrap it in a block: local_assigns.fetch(:foo) { default_value } to prevent its call when it's not needed.
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undefined reference to `WinMain@16'
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