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How to grey out a button?
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@AliKazi it depends on the type of your View. From this G+ post: "If your View does not contain overlapping drawing commands, setAlpha() is optimized away and we simply modify the Paint objects to apply the proper alpha. This happens when View.hasOverlappingRendering() r...
How to align input forms in HTML
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@ClarkeyBoy - Do read this answer, and the post from W3C: stackoverflow.com/a/4707368/40411
– J. Polfer
Sep 20 '13 at 15:31
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How to unbind a listener that is calling event.preventDefault() (using jQuery)?
...ion, do the below...
document.ontouchmove = function(e){ return true; }
From this website.
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Concatenating null strings in Java [duplicate]
...ptimization(s) to perform. As such, the "exact equivalent" code may differ from compiler to compiler. This optimization is allowed by JLS, Section 15.18.1.2:
To increase the performance of repeated string concatenation, a Java compiler may use the StringBuffer class or a similar technique to red...
Display a float with two decimal places in Python
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Already covered by this answer from 2 years earlier
– wjandrea
Jun 14 at 18:02
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Regular expression to allow spaces between words
...allow accidental double-spaces, or if you're working with copy-pasted text from a PDF), then add a + after the space:
^\w+( +\w+)*$
If you want to allow tabs and newlines (whitespace characters), then replace the space with a \s+:
^\w+(\s+\w+)*$
Here I suggest the + by default because, for exam...
Test if element is present using Selenium WebDriver?
...riable as driver.
The element which you are going to check. Should provide from By method. // ex: By.id("id")
Time limit in seconds.
Example: waitForElementPresent(driver, By.id("id"), 10 );
public static WebElement waitForElementPresent(WebDriver driver, final By by, int timeOutInSeconds) {
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Writing a pandas DataFrame to CSV file
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
git command to move a folder inside another
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git mv common include
should work.
From the git mv man page:
git mv [-f] [-n] [-k] <source> ... <destination directory>
In the second form, the last argument has to be an existing directory; the given sources will be moved into this directory.
Th...
How to get current route in Symfony 2?
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From something that is ContainerAware (like a controller):
$request = $this->container->get('request');
$routeName = $request->get('_route');
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