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How to implement the Android ActionBar back button?
...me="com.example.myfirstapp.DisplayMessageActivity"
android:label="@string/title_activity_display_message"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<!-- The meta-data element is needed for versions lower than 4.1 -->
<meta-data
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Command prompt won't change directory to another drive
...xtensions are enabled CHDIR changes as follows:
The current directory string is converted to use the same case as
the on disk names. So CD C:\TEMP would actually set the current
directory to C:\Temp if that is the case on disk.
CHDIR command does not treat spaces as delimiters, so it ...
Check if object is a jQuery object
...a is a jQuery object! ');
}
if ( b.jquery ) { // truthy, since it's a string
alert(' b is a jQuery object! ');
}
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Need a simple explanation of the inject method
...r simple example to create a hash from an array of objects, keyed by their string representation:
[1,"a",Object.new,:hi].inject({}) do |hash, item|
hash[item.to_s] = item
hash
end
In this case, we are defaulting our accumulator to an empty hash, then populating it each time the block executes...
TypeError: Cannot read property 'then' of undefined
Above function return a string like "failed".
However, when I try to run then function on it, it will return error of
2 Ans...
Java 8 Distinct by property
...r solution, using Set. May not be the ideal solution, but it works
Set<String> set = new HashSet<>(persons.size());
persons.stream().filter(p -> set.add(p.getName())).collect(Collectors.toList());
Or if you can modify the original list, you can use removeIf method
persons.removeIf...
How to send FormData objects with Ajax-requests in jQuery? [duplicate]
...s you prevent jQuery from automatically transforming the data into a query string. See the docs for more info.
Setting the contentType to false is imperative, since otherwise jQuery will set it incorrectly.
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Difference between “@id/” and “@+id/” in Android
...specifying a new resource ID and not needed for concrete resources such as strings or layouts. See the sidebox for more information about resource objects.
From: https://developer.android.com/training/basics/firstapp/building-ui.html
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How to move a file?
...edit. Also, its best to use os.path.join(parent_path, filename) instead of string concatenation to avoid cross-platform issues
– iggy12345
Mar 20 '19 at 21:13
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Change text color based on brightness of the covered background area?
...ual to each other. However, this solution is getting its base color from a string, and not from the CSS property of the element. To be reliable, the solution would have to dynamically obtain background colors, which usually returns rgb() or rgba() values, but could differ according to browser.
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