大约有 45,000 项符合查询结果(耗时:0.0382秒) [XML]
Converting strings to floats in a DataFrame
...pd.to_numeric(s)
s = pd.Series(['apple', '1.0', '2', -3])
pd.to_numeric(s, errors='ignore')
pd.to_numeric(s, errors='coerce')
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How are echo and print different in PHP? [duplicate]
...s like:
echo 'Doing some stuff... ';
foo() and print("ok.\n") or print("error: " . getError() . ".\n");
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Completely cancel a rebase
...ase --abort did not work, because I messed something. I only got following error: error: could not read '.git/rebase-apply/head-name': directory of file does not exist. The git rebase --quit described bellow solved my problem.
– Kout
Feb 6 at 9:18
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ThreadStart with parameters
...
I have this error Error CS0123 No overload for 'UpdateDB' matches delegate 'ParameterizedThreadStart'
– Omid Farvid
Oct 7 '17 at 16:05
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Can Maven be made less verbose?
...
You can try the -q switch.
-q,--quiet Quiet output - only show errors
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Catch a thread's exception in the caller thread in Python
... = bucket
def run(self):
try:
raise Exception('An error occured here.')
except Exception:
self.bucket.put(sys.exc_info())
def main():
bucket = Queue.Queue()
thread_obj = ExcThread(bucket)
thread_obj.start()
while True:
try:
...
Get table column names in MySQL?
... return $output;
}
catch(PDOException $pe) {
trigger_error('Could not connect to MySQL database. ' . $pe->getMessage() , E_USER_ERROR);
}
}
The output will be an array:
Array (
[0] => id
[1] => name
[2] => email
[3] => shoe_size
[4] => likes
... )
Sor...
Unable to load Private Key. (PEM routines:PEM_read_bio:no start line:pem_lib.c:648:Expecting: ANY PR
... Oh my good God! THANK YOU! I would've never figured that out by trial and error, fixed the issue for me!
– Mikael Dyreborg Hansen
Apr 15 at 12:48
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Uncaught TypeError: Cannot read property 'msie' of undefined - jQuery tools
I am getting the following error in Chrome dev console:
12 Answers
12
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When should one use RxJava Observable and when simple Callback on Android?
...nt is not much better than the Callback variant. For now, let's ignore the error handling.
Let's take a list of photos:
RxJava:
api.getUserPhotos(userId)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.flatMap(new Func1<List<Photo>, Observable<Photo>>() ...
