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What exactly is Python's file.flush() doing?
...rs created by the runtime/library/language that you're programming against and is meant to speed things up by avoiding system calls for every write. Instead, when you write to a file object, you write into its buffer, and whenever the buffer fills up, the data is written to the actual file using sys...
Android - border for button
...t below code
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient android:startColor="#FFFFFF"
android:endColor="#00FF00"
android:angle="270" />
<corners android:radius="3dp"...
How to count string occurrence in string?
...
var count = (temp.match(/is/g) || []).length;
console.log(count);
And, if there are no matches, it returns 0:
var temp = "Hello World!";
var count = (temp.match(/is/g) || []).length;
console.log(count);
...
How does Tortoise's non recursive commit work?
...older structure). So basically there are a lot of deletions (of old files) and additions (of new files).
10 Answers
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How to remove the querystring and get only the url?
...st don't see any point not to use function that does exactly what you need and use another one and parse it result (i.e get [0] after exploding) (unless of course there is a specific reason like better performance, lack of unneeded dependency, etc).
– RiaD
Dec ...
Vagrant ssh authentication failure
...lic key to ~/.ssh/authorized_keys on the Vagrant VM. You can do it by copy-and-pasting or using a tool like ssh-copy-id (user: root password: vagrant port: 2222) ssh-copy-id '-p 2222 root@127.0.0.1'
If still does not work try this:
Remove insecure_private_key file from c:\Users\USERNAME\.vagrant...
Call a function with argument list in python
...
To expand a little on the other answers:
In the line:
def wrapper(func, *args):
The * next to args means "take the rest of the parameters given and put them in a list called args".
In the line:
func(*args)
The * next t...
Find maximum value of a column and return the corresponding row values using Pandas
...ut the length of the dataFrame & that index which satisfies the right hand side of the expression( .max()) returns the index, which in turn calls the complete row of that dataFrame
– penta
Feb 22 '19 at 5:28
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Saving a Numpy array as an image
...yPNG. It's a pure Python (no dependencies) open source PNG encoder/decoder and it supports writing NumPy arrays as images.
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How do I get the number of elements in a list?
...n can be used with several different types in Python - both built-in types and library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
sh...