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Is it possible to cast a Stream in Java 8?
...sible to cast a stream in Java 8? Say I have a list of objects, I can do something like this to filter out all the additional objects:
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Using :before CSS pseudo element to add image to modal
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Parsing JSON from XmlHttpRequest.responseJSON
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New ways I: fetch
TL;DR I'd recommend this way as long as you don't have to send synchronous requests or support old browsers.
A long as your request is asynchronous you can use the Fetch API to send HTTP requests. The fetch API works with promises, which i...
SAML: Why is the certificate within the Signature?
I have to implement SSO with SAML for my company's website (as the relying party). An essential part off course is the verification of the signature. Here is the signature part of a sample SAML from our partner company (asserting party):
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Get Base64 encode file-data from Input Form
...y possible in browser-side javascript.
The easy way:
The readAsDataURL() method might already encode it as base64 for you. You'll probably need to strip out the beginning stuff (up to the first ,), but that's no biggie. This would take all the fun out though.
The hard way:
If you want to try it ...
Get unique values from a list in python [duplicate]
... original order. If you need that, you should look for an ordered set implementation (see this question for more).
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Conditionally ignoring tests in JUnit 4
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The JUnit way is to do this at run-time is org.junit.Assume.
@Before
public void beforeMethod() {
org.junit.Assume.assumeTrue(someCondition());
// rest of setup.
}
You can do it in a @Before method or in the test itself, but not in an @After meth...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
It seems to me that you can do the same thing in a SQL query using either NOT EXISTS, NOT IN, or LEFT JOIN WHERE IS NULL. For example:
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Populating a ListView using an ArrayList?
...ay. You can add lists or arrays of custom objects. Override the toString() method of your objects to determine what text will be displayed for the item in the list.
To use something other than TextViews for the array display, for instance ImageViews, or to have some of data besides toString() result...
What are C++ functors and their uses?
I keep hearing a lot about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful?
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