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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
I have been looking at a HTML 5 boilerplate template (from http://html5boilerplate.com/ ) and noticed the use of "?v=1" in URLs when referring to CSS and Javascript files.
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Trusting all certificates with okHttp
...lient getUnsafeOkHttpClient() {
try {
// Create a trust manager that does not validate certificate chains
final TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
@Override
public void checkClientTrusted(java.security.cert.X509Certifica...
Cannot delete directory with Directory.Delete(path, true)
...n into this problem before.
The root of the problem is that this function does not delete files that are within the directory structure. So what you'll need to do is create a function that deletes all the files within the directory structure then all the directories before removing the directory it...
Check if element is visible in DOM
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@AlexZ I am not sure if offsetParent really does a reflow in today's browsers, but yes a couple of yrs back, they used to, that's what I understand from reports. Note that the jsPerf only mentions of the speed of execution, while reflow is about the display. And reflow...
How do I access the request object or any other variable in a form's clean() method?
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Does anyone besides me think this is just a big mess to do something that's pretty rudimentary for a web framework? Django is great but this makes me not want to use CBV at all, ever.
– trpt4him
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Combining CSS Pseudo-elements, “:after” the “:last-child”
... Order is important too. li:last-child:after works but li:after:last-child does not.
– Richard Ayotte
Oct 19 '11 at 14:48
1
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How to construct a relative path in Java from two absolute paths (or URLs)?
... little roundabout, but why not use URI? It has a relativize method which does all the necessary checks for you.
String path = "/var/data/stuff/xyz.dat";
String base = "/var/data";
String relative = new File(base).toURI().relativize(new File(path).toURI()).getPath();
// relative == "stuff/xyz.dat"...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...s shown here would also be ok to build from a dictionary because the order does not matter (but this hasn't been implemented). However with multiple rows, Pandas would not be able to make a DataFrame because it would not know which items belonged to the same row.
– Alexander
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...m input values and invoke a method in JSF bean and <h:commandButton> does not initiate a postback.
You cannot nest multiple UIForm components in each other. This is illegal in HTML. The browser behavior is unspecified. Watch out with include files! You can use UIForm components in parallel, b...
What is the difference between Polymer elements and AngularJS directives?
...pt on the web and something other frameworks will leverage.
What problems does Polymer solve that AngularJS has not or will not?
Similarities: declarative templates, data binding.
Differences: Angular has high level APIs for services, filters, animations, etc., supports IE8, and at this point, i...