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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
...thout providing a parameter
display(); // this will log 'default'
display('test'); // this will log 'test' to the console
The equivalent in other programming usually is:
function display(a = 'default') {
// ...
}
share...
Modify tick label text
...
labels = [item.get_text() for item in ax.get_xticklabels()]
labels[1] = 'Testing'
ax.set_xticklabels(labels)
plt.show()
To understand the reason why you need to jump through so many hoops, you need to understand a bit more about how matplotlib is structured.
Matplotlib deliberately avoids d...
C++ new int[0] — will it allocate memory?
A simple test app:
6 Answers
6
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C# HttpClient 4.5 multipart/form-data upload
...
I test on my computer(win7 sp1, IIS 7.5) without Content-Type and Content-Disposition is Ok, but on Server 2008 R2(IIS 7.5) can't find files, it's strange. So I do as the answer.
– chengzi
...
How to check if hex color is “too black”?
...ting luma value range is 0..255, where 0 is the darkest and 255 is the lightest. Values greater than 128 are considered light by tinycolor. (shamelessly copied from the comments by @pau.moreno and @Alnitak)
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|...
boolean in an if statement
... the other hand, you don't know what booleanValue might be and you want to test if it is truly set to true with no other automatic type conversions allowed, then
if (booleanValue === true)
is not only a good idea, but required.
For example, if you look at the implementation of .on() in jQuery...
Angularjs loading screen on ajax request
...
$scope.clickMe = function() {
$scope.loading = true;
$http.get('test.json')
.success(function(data) {
$scope.cars = data[0].cars;
$scope.loading = false;
});
}
Of course you can move the loading box html code into a directive, then use $watch on $scope.loadin...
Can I set background image and opacity in the same property?
... because :before ends up below the main contents automatically. (Currently tested in Chrome and FF.)
– KajMagnus
Jun 28 '15 at 9:30
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How to Truncate a string in PHP to the word closest to a certain number of characters?
...implode(array_slice($parts, 0, $last_part));
}
Also, here is the PHPUnit testclass used to test the implementation:
class TokenTruncateTest extends PHPUnit_Framework_TestCase {
public function testBasic() {
$this->assertEquals("1 3 5 7 9 ",
tokenTruncate("1 3 5 7 9 11 14", 10));
...
Java Delegates?
... but they're fakeable using proxies and reflection:
public static class TestClass {
public String knockKnock() {
return "who's there?";
}
}
private final TestClass testInstance = new TestClass();
@Test public void
can_delegate_a_single_method_interface_to_an_instan...