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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
...s) <(ls *Music*)
comm is preferable over diff because it doesn't have extra cruft.
This returns all elements of set 1, ls, that are not also in set 2, ls *Music*. This requires both sets to be in sorted order to work properly. No problem for ls and glob expansion, but if you're using something...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...port1_DataReceived method, use this pattern:
delegate void SetTextCallback(string text);
private void SetText(string text)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
...
Python __str__ and lists
In Java, if I call List.toString(), it will automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
...
JS strings “+” vs concat method [duplicate]
I have some experience with Java and I know that strings concatenation with "+" operator produces new object.
5 Answers
...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
..., err on the side of more nodes
in the hidden layer.
Why? First, a few extra nodes in the hidden layer isn't likely do any any harm--your MLP will still converge. On the other hand, too few nodes in the hidden layer can prevent convergence. Think of it this way, additional nodes provides some ex...
Synchronous request in Node.js
... works. I've tried other examples here and was stumped when there was much extra setup to do or installs didn't work!
Notes:
The example that sync-request uses doesn't play nice when you use res.getBody(), all get body does is accept an encoding and convert the response data. Just do res.body.toStri...
How to map calculated properties with JPA and Hibernate
...ect DATEDIFF(expiry_date,issue_date) from document_storage)")
private String myColumn;
the errors i get when i run and display my view even before trying to display the column on mustache is something like this
java.lang.NullPointerException
at java.base/java.lang.String$CaseInsensitiv...
CSS technique for a horizontal line with words in the middle
...alid for different text widths, any possible background and without adding extra markup.
h1 {
overflow: hidden;
text-align: center;
}
h1:before,
h1:after {
background-color: #000;
content: "";
display: inline-block;
height: 1px;
position: relative;
vertical-align: ...
Iterating over every two elements in a list
...works on sequences, the function works on any iterable; and this uses O(N) extra space, the function doesn't; on the other hand, this is generally faster. There are good reasons to pick one or the other; being afraid of import is not one of them.
– abarnert
Aug...
Constructors vs Factory Methods [closed]
...
Use a factory only when you need extra control with object creation, in a way that couldn't be done with constructors.
Factories have the possibility of caching for example.
Another way to use factories is in a scenario where you do not know the type you w...