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Sending command line arguments to npm script
...pt invoked not via "npm run-script" but directly
var port = process.env.npm_package_config_myPort || 8080
That way, by default npm start will use 8080. You can however configure it (the value will be stored by npm in its internal storage):
npm config set myPackage:myPort 9090
Then, when invokin...
How to create a fixed-size array of objects
...ray.append().
var array = [SKSpriteNode]()
array.reserveCapacity(64)
for _ in 0..<64 {
array.append(SKSpriteNode())
}
If you know the minimum amount of elements you'll add to it, but not the maximum amount, you should rather use array.reserveCapacity(minimumCapacity: 64).
...
What's the best way to do a backwards loop in C/C#/C++?
... std::vector
Using iterators
C++ allows you to do this using std::reverse_iterator:
for(std::vector<T>::reverse_iterator it = v.rbegin(); it != v.rend(); ++it) {
/* std::cout << *it; ... */
}
Using indices
The unsigned integral type returned by std::vector<T>::size is not...
TortoiseSVN icons not showing up under Windows 7
... are set up, and change them (at your own risk) in the registry here:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\ShellIconOverlayIdentifiers
If you are using TortoiseCVS (and have nothing else using overlay icons), you will get a couple of TortoiseSVN Icons, and all of y...
How to check if there exists a process with a given pid in Python?
... if the pid is not running, and do nothing otherwise.
import os
def check_pid(pid):
""" Check For the existence of a unix pid. """
try:
os.kill(pid, 0)
except OSError:
return False
else:
return True
...
What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
9
...
Retrieve list of tasks in a queue in Celery
...
if you are using rabbitMQ, use this in terminal:
sudo rabbitmqctl list_queues
it will print list of queues with number of pending tasks. for example:
Listing queues ...
0b27d8c59fba4974893ec22d478a7093 0
0e0a2da9828a48bc86fe993b210d984f 0
10@torob2.celery.pidbox 0
11926b79e30a4f0a9d95d...
Running Python code in Vim
...cute "update | edit"
" get file path of current file
let s:current_buffer_file_path = expand("%")
let s:output_buffer_name = "Python"
let s:output_buffer_filetype = "output"
" reuse existing buffer window if it exists otherwise create a new one
if !exists("s:buf_nr") || !b...
Converting numpy dtypes to native python types
...np.int,np.bool, np.complex, and np.object. The Numpy types have a trailing _, e.g. np.str_.
– Mike T
Jan 8 '19 at 20:28
2
...
How to get an enum value from a string value in Java?
...ua Bloch, Effective Java:
(simplified for brevity)
enum MyEnum {
ENUM_1("A"),
ENUM_2("B");
private String name;
private static final Map<String,MyEnum> ENUM_MAP;
MyEnum (String name) {
this.name = name;
}
public String getName() {
return this.n...