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HAXM 安装/启动失败？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
报错如下：
emulator: Android emulator version 30.3.5.0 (build_id 7033400) (CL:N/A)
127.0.0.1 - - [01/Apr/2025 16:55:37] "GET /echeck/ HTTP/1.1" 200 39
handleCpuAcceleration: feature check for hvf
emulator: ERROR: x86_64 emulation currently requires hardware acceleration!
CPU accel...
Force browser to clear cache
... changes, one way is to to "cache busting" is by appending something like "_versionNo" to the file name for each release. For example:
script_1.0.css // This is the URL for release 1.0
script_1.1.css // This is the URL for release 1.1
script_1.2.css // etc.
Or alternatively do it after the fil...
How can I see normal print output created during pytest run?
...l help: docs.pytest.org/en/latest/capture.html
– code_dredd
Aug 22 '19 at 19:19
4
...
Extracting just Month and Year separately from Pandas Datetime column
...
the best answer is clearly.. df['mnth_yr'] = df.date_column.dt.to_period('M') as below from @jaknap32
– ihightower
Jun 23 '17 at 6:16
1
...
PHP script to loop through all of the files in a directory?
...r. Example from php Manual:
<?php
$dir = new DirectoryIterator(dirname(__FILE__));
foreach ($dir as $fileinfo) {
if (!$fileinfo->isDot()) {
var_dump($fileinfo->getFilename());
}
}
?>
share
...
What does numpy.random.seed(0) do?
...
If you set the np.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same:
>>> import numpy as np
>>> np.random.seed(0)
>>> perm = np.random.permutation(10)
>>> p...
Getting multiple keys of specified value of a generic Dictionary?
...e, perhaps maintain two dictionary mapping key->value and value->List_of_keys. If you do the latter you will trade storage for look up speed. It wouldn't take much to turn @Cybis example into such a data structure.
s...
Read entire file in Scala?
...rt into any file which requires file manipulation:
import scala.io.Source._
With this, you can now do:
val lines = fromFile("file.txt").getLines
I would be wary of reading an entire file into a single String. It's a very bad habit, one which will bite you sooner and harder than you think. Th...
jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
... the OPTIONS request and then immediately after that the POST/GET
def send_data(request):
if request.method == "OPTIONS":
response = HttpResponse()
response['Access-Control-Allow-Origin'] = '*'
response['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS'
resp...
UITapGestureRecognizer tap on self.view but ignore subviews
...ods, You need to set the delegate of the recognizer
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
if touch.view?.isDescendant(of: tableView) == true {
return false
}
return true
}
...