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Rails: Open link in new tab (with 'link_to')

... The target: :_blank parameter should be a parameter of link_to, whereas you put it in image_tag parameters. Modify your code like this: <%= link_to image_tag("facebook.png", class: :facebook_icon, alt: "Facebook"), "http://www.facebo...
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How do I initialize a TypeScript object with a JSON object

... the json: module Environment { export class Member { private __name__ = "Member"; id: number; } export class ExampleClass { private __name__ = "ExampleClass"; mainId: number; firstMember: Member; secondMember: Member; } } function ...
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object

...ers. Windows To unpack one .pack file (for example rt.pack), run: "%JAVA_HOME%\bin\unpack200" -r -v rt.pack rt.jar To recursively unpack all .pack files, from the JRE root run: for /r %f in (*.pack) do "%JAVA_HOME%\bin\unpack200.exe" -r -q "%f" "%~pf%~nf.jar" *nix To unpack one .pack file (...
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CSS table layout: why does table-row not accept a margin?

...e; border-spacing: 15px; } .row { display: table-row; } .home_1 { width: 64px; height: 64px; padding-right: 20px; margin-right: 10px; display: table-cell; } .home_2 { width: 350px; height: 64px; padding: 0px; vertical-align: middle; font-size: 150%; ...
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Shards and replicas in Elasticsearch

... elasticsearch will create 5 primary shards that will contain your data: ____ ____ ____ ____ ____ | 1 | | 2 | | 3 | | 4 | | 5 | |____| |____| |____| |____| |____| Every time you index a document, elasticsearch will decide which primary shard is supposed to hold that docu...
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How does the @property decorator work in Python?

...is just syntactic sugar; the syntax: @property def foo(self): return self._foo really means the same thing as def foo(self): return self._foo foo = property(foo) so foo the function is replaced by property(foo), which we saw above is a special object. Then when you use @foo.setter(), what you ...
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Loop through an array of strings in Bash?

...example below it is changed to a comma List="Item 1,Item 2,Item 3" Backup_of_internal_field_separator=$IFS IFS=, for item in $List; do echo $item done IFS=$Backup_of_internal_field_separator Output: Item 1 Item 2 Item 3 If need to number them: ` this is called a back tick. Put t...
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How to download a file from a URL in C#?

...ethod also supports local files as 1st parameter – oo_dev Aug 22 '17 at 8:35 The MSDN doc did mention to use HttpClien...
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How do I unit test web api action method when it returns IHttpActionResult?

... MixedCodeStandardController : ApiController { public readonly object _data = new Object(); public IHttpActionResult Get() { return Ok(_data); } public IHttpActionResult Get(int id) { return Content(HttpStatusCode.Success, _data); } } Testing the class: var ...
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Match multiple cases classes in scala

... matcher(l: Foo): String = { l match { case A() => "A" case B(_) | C(_) => "B" case _ => "default" } } If you must, must, must extract the parameter and treat them in the same code block, you could: def matcher(l: Foo): String = { l match { case A() => "A" ca...