大约有 40,000 项符合查询结果（耗时：0.0578秒） [XML]
Detect if called through require or directly by command line
...My solution was to generate a stack trace and get the caller's module name from there:
module.exports = function () {
// generate a stack trace
const stack = (new Error()).stack;
// the third line refers to our caller
const stackLine = stack.split("\n")[2];
// extract the module ...
Count the number of occurrences of a character in a string in Javascript
...on that I would use a split, but I would prefer to use match.
Old answer (from 2009):
If you're looking for the commas:
(mainStr.split(",").length - 1) //3
If you're looking for the str
(mainStr.split("str").length - 1) //4
Both in @Lo's answer and in my own silly jsperf test split comes ahe...
Passing arguments to require (when loading module)
...give you a module to work with. However if you reference it somewhere else from another module?? in the basic system there appears to be a cache involved, but in this system, the cache would return the bare generator method on subsequent calls to require(), and if you passed args to require()(somear...
Android onCreate or onStartCommand for starting service
...hings in this method that are needed each time a client requests something from your service. This depends a lot on what your service does and how it communicates with the clients (and vice-versa).
If you don't implement onStartCommand() then you won't be able to get any information from the Intent...
How to detect shake event with android?
...
From the code point of view, you need to implement the SensorListener:
public class ShakeActivity extends Activity implements SensorListener
You will need to acquire a SensorManager:
sensorMgr = (SensorManager) getSystemS...
git: undo all working dir changes including new files
How to delete all changes from working directory including new untracked files. I know that git checkout -f does that, but it doesn't delete new untracked files created since last commit.
...
How do Python functions handle the types of the parameters that you pass in?
... which introduces a standard module for type hints.
These type hints came from the type checker mypy (GitHub), which is now PEP 484 compliant.
With the typing module comes with a pretty comprehensive collection of type hints, including:
List, Tuple, Set, Map - for list, tuple, set and map respec...
Git Clone: Just the files, please?
...
The git command that would be the closest from what you are looking for would by git archive.
See backing up project which uses git: it will include in an archive all files (including submodules if you are using the git-archive-all script)
You can then use that arch...
Check if my app has a new version on AppStore
...ent is misleading. If the version on the user's device is separated by any from the version on the appstore then the code will return YES as expected. Even if you release version 1.0 followed by version 1.111 it would still work perfectly.
– datinc
Nov 23 '15 a...
What is the pythonic way to unpack tuples? [duplicate]
...n be used for other iterables (such as lists) too. Here's another example (from the Python tutorial):
>>> range(3, 6) # normal call with separate arguments
[3, 4, 5]
>>> args = [3, 6]
>>> range(*args) # call with arguments unpacked from a list
[3, 4...