大约有 15,000 项符合查询结果（耗时：0.0323秒） [XML]
Python __call__ special method practical example
...lass Worker(object):
def __init__(self, *args, **kwargs):
self.queue = queue.Queue()
self.args = args
self.kwargs = kwargs
def add_task(self, task):
self.queue.put(task)
def __call__(self):
while True:
next_action = self.queue.get()
...
What's the Hi/Lo algorithm?
...s are guaranteed to see unique consecutive values
Once a “hi” token is retrieved we only need the “incrementSize” (the number of “lo” entries)
The identifiers range is given by the following formula:
[(hi -1) * incrementSize) + 1, (hi * incrementSize) + 1)
and the “lo” value will ...
Get list of passed arguments in Windows batch script (.bat)
I'd like to find a Windows batch counterpart to Bash's $@ that holds a list of all arguments passed into a script.
14 An...
Plot two histograms on single chart with matplotlib
...ib.pyplot as plt
plt.style.use('seaborn-deep')
x = np.random.normal(1, 2, 5000)
y = np.random.normal(-1, 3, 2000)
bins = np.linspace(-10, 10, 30)
plt.hist([x, y], bins, label=['x', 'y'])
plt.legend(loc='upper right')
plt.show()
Reference: http://matplotlib.org/examples/statistics/histogram_dem...
How to detect if CMD is running as Administrator/has elevated privileges?
From inside a batch file, I would like to test whether I'm running with Administrator/elevated privileges.
13 Answers
...
Convert Decimal to Double
...uble like this isn't necessary:
double trans = (double) trackBar1.Value / 5000.0;
Identifying the constant as 5000.0 (or as 5000d) is sufficient:
double trans = trackBar1.Value / 5000.0;
double trans = trackBar1.Value / 5000d;
...
Why would I use Scala/Lift over Java/Spring? [closed]
...nd yes, you can add your own favorite JavaScript library), doing automatic retries with back-offs, avoiding connection starvation by queuing Ajax requests, etc.
So, one big difference between Lift and Spring is that Lift's philosophy of GUID associated with function has the dual benefit of much bet...
Sending command line arguments to npm script
...ff webpack dev server:
"scripts": {
"start": "webpack-dev-server --port 5000"
},
We run this from the command line with npm start
Now if we want to pass in a port to the npm script:
"scripts": {
"start": "webpack-dev-server --port process.env.port || 8080"
},
running this and passing the...
How do you implement a class in C? [closed]
...eclarations, c for
implementations.
A simple example would be this:
/// Queue.h
struct Queue
{
/// members
}
typedef struct Queue Queue;
void push(Queue* q, int element);
void pop(Queue* q);
// etc.
///
share
...
node and Error: EMFILE, too many open files
... but wanted to avoid overwriting the fs module.
The module I wrote is Filequeue, and you use it just like fs:
var Filequeue = require('filequeue');
var fq = new Filequeue(200); // max number of files to open at once
fq.readdir('/Users/xaver/Downloads/xaver/xxx/xxx/', function(err, files) {
if...