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How to update a value, given a key in a hashmap?
...e computeIfPresent method and supply it a mapping function, which will be called to compute a new value based on existing one.
For example,
Map<String, Integer> words = new HashMap<>();
words.put("hello", 3);
words.put("world", 4);
words.computeIfPresent("hello", (k, v) -> v + 1);
S...
Converting String to “Character” array in Java
...Points())
map each 'character' value to Character (you need to cast to actually say that its really a char, and then Java will box it automatically to Character)
get the resulting array by calling toArray()
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Text overflow ellipsis on two lines
...lt;div class="ellipsis">
<div>
<p>
Call me Ishmael. Some years ago – never mind how long precisely – having
little or no money in my purse, and nothing particular to interest me on
shore, I thought I would sail about a little and see...
Getting value of HTML Checkbox from onclick/onchange events
...Live example | Source
The longer answer:
The change event handler isn't called until the checked state has been updated (live example | source), but because (as Tim Büthe points out in the comments) IE doesn't fire the change event until the checkbox loses focus, you don't get the notification pr...
Git clone particular version of remote repository
...ent remote files, but the whole history. You local repository will include all this.
There might have been tags to mark a particular version at the time. If not, you can create them yourself locally. A good way to do this is to use git log or perhaps more visually with tools like gitk (perhaps gitk...
Using NumberPicker Widget with Strings
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@ArulxZ If you haven't already figured this out, just call picker.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS); to prevent the keyboard from popping up.
– Karim Varela
Jun 1 '15 at 20:21
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iOS: Access app-info.plist variables in code
...ode (right click the info.plist - select Open As) then you will get to see all the various key names you can use.
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Detect enter press in JTextField
...Event e){
//statements!!!
}});
all you need to do is addActionListener to the JTextField like above! After you press Enter the action will performed what you want at the statement!
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Why I cannot cout a string?
...-defined <xstring> header (never include that directly)). While that allows you to use the string class, the relevant operator<< is defined in the <string> header itself, so you must include that manually. Also relying on other headers to indirectly include the definition of std::b...
Limiting number of displayed results when using ngRepeat
...lays phones. I’m on step 5 and I thought as an experiment I’d try to allow users to specify how many they’d like to be shown. The view looks like this:
...