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Why use the 'ref' keyword when passing an object?
...omething else, callers of the method will need to be coded to ensure they handle this possibility.
Also, when the parameter type is an object, then object variables always act as references to the object. This means that when the ref keyword is used you've got a reference to a reference. This allows...
jquery sortable placeholder height problem
...item.height() with ui.helper.outerHeight() due to some issues with margins and padding skewing the actual height of the element
– oshikryu
Jun 10 '13 at 18:11
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What does “./” (dot slash) refer to in terms of an HTML file path location?
... How does this answer the question? Apparently, Simon Suh understands that ./ refers to the same location where the referring file is. The main part of the question then is: "Why to use it and is it necessary at all?". The only reason to prefer the syntax of "./file" instead of "file" I wa...
Java enum - why use toString instead of name
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name() is a "built-in" method of enum. It is final and you cannot change its implementation. It returns the name of enum constant as it is written, e.g. in upper case, without spaces etc.
Compare MOBILE_PHONE_NUMBER and Mobile phone number. Which version is more readable? I...
Is it possible to run a single test in MiniTest?
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While the answer works and was exactly what was asked :-) The Mini-test way of running a single test is by name matching (see Mr Grimm's answer). If you've tried this and rejected it then it's time to try the none-standard alternatives - such as Ni...
Firebase Storage How to store and Retrieve images [closed]
How to store and view images on firebase?
6 Answers
6
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Best way to check if a URL is valid
.... But it can't read your mind. There's a huge difference between invalid and unwanted.. Unwanted is very subjective, which is why it's left to the programmer to work out that detail. You might also note the code validates the URL, but doesn't prove it exists. It's not PHP's fault that a user mi...
How to get a list of current open windows/process with Java?
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This is another approach to parse the the process list from the command "ps -e":
try {
String line;
Process p = Runtime.getRuntime().exec("ps -e");
BufferedReader input =
new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine(...
How can I disable the Maven Javadoc plugin from the command line?
...operty maven.javadoc.skip to true [1], i.e.
-Dmaven.javadoc.skip=true
(and not false)
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How to build sources jar with gradle
...e a (project)-sources.jar file that I can load into my IDE (IntelliJ IDEA) and debug through the project. I know how to load the file if I can generate it.
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