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Copy file or directories recursively in Python
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I suggest you first call shutil.copytree, and if an exception is thrown, then retry with shutil.copy.
import shutil, errno
def copyanything(src, dst):
try:
shutil.copytree(src, dst)
except OSError as exc: # python >2.5
if exc.errno == errno.ENOTDIR:...
Case insensitive regex in JavaScript
I want to extract a query string from my URL using JavaScript, and I want to do a case insensitive comparison for the query string name. Here is what I am doing:
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What is memoization and how can I use it in Python?
...ea what memoization is and how to use it. Also, may I have a simplified example?
13 Answers
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Why do Java programmers like to name a variable “clazz”? [closed]
...sitive and non-case-sensitive rules: any identifier could only be used in exactly the original casing, but declaration of any identifier would hide any pre-existing identifiers which differed only in casing. Having Foo defined at class scope and foo at local-variable scope should be legal, but all ...
How to remove old Docker containers
This question is related to Should I be concerned about excess, non-running, Docker containers? .
61 Answers
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How to test if a string is JSON or not?
I have a simple AJAX call, and the server will return either a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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How to change size of split screen emacs windows?
...equires a very precise click on the spot where the two mode lines join.
C-x - (shrink-window-if-larger-than-buffer) will shrink a window to fit its content.
C-x + (balance-windows) will make windows the same heights and widths.
C-x ^ (enlarge-window) increases the height by 1 line, or the pref...
How to pass payload via JSON file for curl?
I can successfully create a place via curl executing the following command:
1 Answer
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Callback after all asynchronous forEach callbacks are completed
....log('all done'); }
var itemsProcessed = 0;
[1, 2, 3].forEach((item, index, array) => {
asyncFunction(item, () => {
itemsProcessed++;
if(itemsProcessed === array.length) {
callback();
}
});
});
(thanks to @vanuan and others) This approach guarantees that all items are...
How do I access the host machine from the guest machine? [closed]
I've just created a new Windows XP VM on my Mac using VMware Fusion. The VM is using NAT to share the host's internet connection.
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