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No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
...sweet little library that handled my use case of wanting different methods from different origins quite nicely... and less code fatigue for the next guy looking at it.
– Kyle Baker
Feb 15 '17 at 19:41
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How can I delete a newline if it is the last character in a file?
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You can do this with head from GNU coreutils, it supports arguments that are relative to the end of the file. So to leave off the last byte use:
head -c -1
To test for an ending newline you can use tail and wc. The following example saves the resul...
jquery disable form submit on enter
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This prevents the enter key from being used in textareas within the same form. Using $("form input") instead of $("form :input") seems to fix it. DEMO: jsfiddle.net/bnx96/279
– shaneparsons
Apr 27 '15 at 17:43
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Writing a dict to txt file and reading it back?
...ternative to it that is safer. This is called literal_eval and you get it from a Python module called ast.
import ast
def reading(self):
s = open('deed.txt', 'r').read()
self.whip = ast.literal_eval(s)
ast.literal_eval() will only evaluate strings that turn into the basic Python types, ...
Read url to string in few lines of java code
...tion, which is not a single line, do this:
public static String readStringFromURL(String requestURL) throws IOException
{
try (Scanner scanner = new Scanner(new URL(requestURL).openStream(),
StandardCharsets.UTF_8.toString()))
{
scanner.useDelimiter("\\A");
retur...
How to define a two-dimensional array?
...e as well, but it is no longer recommended for any use, and may be removed from numpy in the future.
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Javascript reduce() on Object
There is nice Array method reduce() to get one value from the Array. Example:
13 Answers
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Test whether string is a valid integer
...e The linked document describes the construct for removing a string prefix from a variable used in the case line. It is just at the bottom of the page, but there are no anchors, so I could not directly link to it, see section "Substring Removal"
– Niklas Peter
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Constructors in Go
...struct a sensible default. (While this looks strange to most people coming from "traditional" oop it often works and is really convenient).
Provide a function func New() YourTyp or if you have several such types in your package functions func NewYourType1() YourType1 and so on.
Document if a zero ...
How to insert an element after another element in JavaScript without using a library?
...the following prototypes, you will be able to call these function directly from newly created elements.
newElement.appendBefore(element);
newElement.appendAfter(element);
.appendBefore(element) Prototype
Element.prototype.appendBefore = function (element) {
element.parentNode.insertBefore(t...