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How to evaluate a math expression given in string form?
I'm trying to write a Java routine to evaluate math expressions from String values like:
25 Answers
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How can I restart a Java application?
...er @Horcrux7's question or not. You guys could've just told him the answer from the beginning lol. Well I'll go ahead and do it (kinda late I know): no it doesn't. There.
– Voldemort
Jul 19 '15 at 9:38
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Getting new Twitter API consumer and secret keys
...ens for an existing application, go to My applications (which is available from the menu in the upper-right).
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How to initialize HashSet values by construction?
...would actually return the unmodifiable set introduced in Java 9 as evident from the statement set -> (Set<T>)Set.of(set.toArray()) in the source code.
One point to note is that the method Collections.unmodifiableSet() returns an unmodifiable view of the specified set (as per documentation)...
Exporting a function in shell
...h) so that the function will be available to all the child process launced from the parent process?
6 Answers
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How can I make the tabs work normally on Xcode 4?
...n each tab. There are a number of problems with this choice.
This differs from most IDE/text editors' implementation of file tabs wherein a tab (generally) represents a single file, and each file has its own tab.
The problem with workspace tabs is there are only so many potential different workspa...
What is App.config in C#.NET? How to use it?
... have an app.config file.
Application-level config files inherit settings from global configuration files, e.g. the machine.config.
Reading from the App.Config
Connection strings have a predefined schema that you can use. Note that this small snippet is actually a valid app.config (or web.config)...
Asserting successive calls to a mock method
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assert_has_calls is another approach to this problem.
From the docs:
assert_has_calls (calls, any_order=False)
assert the mock has been
called with the specified calls. The mock_calls list is checked for
the calls.
If any_order is False (the default) then the c...
How can javascript upload a blob?
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You actually don't have to use FormData to send a Blob to the server from JavaScript (and a File is also a Blob).
jQuery example:
var file = $('#fileInput').get(0).files.item(0); // instance of File
$.ajax({
type: 'POST',
url: 'upload.php',
data: file,
contentType: 'application/my-b...
Ruby: How to turn a hash into HTTP parameters?
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Update: This functionality was removed from the gem.
Julien, your self-answer is a good one, and I've shameless borrowed from it, but it doesn't properly escape reserved characters, and there are a few other edge cases where it breaks down.
require "addressable/...