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How to find all occurrences of an element in a list?
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While not a solution for lists directly, numpy really shines for this sort of thing:
import n...
Create a GUID in Java
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@angel Yes, it is theoretically possible for the UUID.randomUUID method to return a duplicate, but this is not at all a realistic concern. The Oracle/OpenJDK implementation uses a cryptographically-strong random number generator. Given that, and given the as...
Could not open a connection to your authentication agent
...perating system, you might need to use a variant of the command, such as those listed in the other answers.
See the following answers:
ssh-add complains: Could not open a connection to your authentication agent
Git push requires username and password (contains detailed instructions on how to use ...
How do I discover memory usage of my application in Android?
...() is our highest-level API for looking at overall memory usage. This is mostly there to help an application gauge how close the system is coming to having no more memory for background processes, thus needing to start killing needed processes like services. For pure Java applications, this should...
Unable to verify leaf signature
...tificates. I merely wanted to setup a quick test for a demo so the code I posted is a quick fix. I should have prefaced with that in my comment.
– LukeP
Jun 3 '15 at 21:48
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Origin null is not allowed by Access-Control-Allow-Origin
...iles. But basically, using ajax with local resources isn't going to work cross-browser.
If you're just testing something locally that you'll really be deploying to the web, rather than use local files, install a simple web server and test via http:// URLs instead. That gives you a much more accurat...
Can you use @Autowired with static fields?
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In short, no. You cannot autowire or manually wire static fields in Spring. You'll have to wri...
How to convert List to List?
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vcsjonesvcsjones
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Strip all non-numeric characters from string in JavaScript
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If you need this to leave the dot for float numbers, use this
var s = "-12345.50 €".replace(/[^\d.-]/g, ''); // gives "-12345.50"
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Difference between a “coroutine” and a “thread”?
...ngle-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so many machines are multi-CPU and/or multi-core, threads will de facto be executing simultaneously, not just "conceptually").
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