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How does a Java HashMap handle different objects with the same hash code?
...re more then one key-value pair).
When you lookup a value in the hashmap, by giving it a key, it will first look at the hash code of the key that you gave. The hashmap will then look into the corresponding bucket, and then it will compare the key that you gave with the keys of all pairs in the buck...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...cert.pem"
Make sure you enclose the path within double quotation marks!!!
By default, the FastCGI process will parse new files every 300 seconds (if required you can change the frequency by adding a couple of files as suggested here https://ss88.uk/blog/fast-cgi-and-user-ini-files-the-new-htaccess/...
Difference between this and self in JavaScript
...s the standard method for setting event listeners.
From Mozilla docs:
By using self, you can refer to the global scope in a way that will work not only in a window context (self will resolve to window.self) but also in a worker context (self will then resolve to WorkerGlobalScope.self).
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jQuery or javascript to find memory usage of page
Is there a way to find out how much memory is being used by a web page, or by my jquery application?
10 Answers
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What is opinionated software?
... an opinionated framework developer only allows access to data structures. By design, the software is limiting and encourages the designer into doing things their way.
Another example (taken from the signals link) is that of wiki. The designers of wiki had a lot of opinions. They thought HTML was t...
What do the terms “CPU bound” and “I/O bound” mean?
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CPU Bound means the rate at which process progresses is limited by the speed of the CPU. A task that performs calculations on a small set of numbers, for example multiplying small matrices, is likely to be CPU bound.
I/O Bound means the rate at which a process progresses is limited by th...
Writing data into CSV file in C#
I am trying to write into a csv file row by row using C# language. Here is my function
15 Answers
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“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
... app is trying to notify the user from
the background thread (AsyncTask) by opening a Dialog.
If you are trying to modify the UI from background thread (usually
from onPostExecute() of AsyncTask) and if the activity enters
finishing stage i.e.) explicitly calling finish(), user pressing ...
Fold / Collapse the except code section in sublime text 2
.../collapse the code
If you want to collapse/expand all - you can do so by going to edit->code folding and choose "fold all" or "unfold all":
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How to calculate a logistic sigmoid function in Python?
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def sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known to be a n...