大约有 17,000 项符合查询结果（耗时：0.0379秒） [XML]
Getting the name of a variable as a string
...alue == {}
foo.value['bar'] = 2
For list comprehension part, you can do:
n_jobs = Wrapper(<original_value>)
users = Wrapper(<original_value>)
queues = Wrapper(<original_value>)
priorities = Wrapper(<original_value>)
list_of_dicts = [n_jobs, users, queues, priorities]
co...
Extracting .jar file with command line
...or you, on my Windows partition it's:
C:\Program Files (x86)\Java\jdk[some_version_here]\bin
Unless the location of jar is in your path environment variable, you'll have to specify the full path/run the program from inside the folder.
EDIT: Here's another article, specifically focussed on extrac...
How to check if object (variable) is defined in R?
...:(which(search() == "tools:rstudio") - 1L),
function(pp) exists(_object_name_, where = pp, inherits = FALSE)))
Compare replacing _object_name_ with "data.table" (TRUE) vs. "var" (FALSE)
(of course, if you're not on RStudio, I think the first automatically attached environment is "packa...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...y.conf setting the max body size to whatever size you would prefer:
client_max_body_size 50M;
Create the Nginx config file directly
After much research and hours of working with the wonderful AWS support team, I created a config file inside of .ebextensions to supplement the nginx config. This c...
How to check if an element is in an array
...ed and work with the first such element,
Then an alternative to contains(_:) as blueprinted Sequence is to first(where:) of Sequence:
let elements = [1, 2, 3, 4, 5]
if let firstSuchElement = elements.first(where: { $0 == 4 }) {
print(firstSuchElement) // 4
// ...
}
In this contrived ex...
Deleting rows with MySQL LEFT JOIN
...g "table as", then specify it to delete.
In the example i delete all table_1 rows which are do not exists in table_2.
DELETE t1 FROM `table_1` t1 LEFT JOIN `table_2` t2 ON t1.`id` = t2.`id` WHERE t2.`id` IS NULL
share
...
Python: Ignore 'Incorrect padding' error when base64 decoding
... of which were base64 without padding:
import base64
import re
def decode_base64(data, altchars=b'+/'):
"""Decode base64, padding being optional.
:param data: Base64 data as an ASCII byte string
:returns: The decoded byte string.
"""
data = re.sub(rb'[^a-zA-Z0-9%s]+' % altcha...
String, StringBuffer, and StringBuilder
... 2;
if (newCapacity < 0) {
newCapacity = Integer.MAX_VALUE;
} else if (minimumCapacity > newCapacity) {
newCapacity = minimumCapacity;
}
value = Arrays.copyOf(value, newCapacity);
}
A best practice is to initialize the StringBuilder/Buffer ...
Hidden Features of VB.NET?
...his:
Public Sub Login(host as string, user as String, password as string, _
Optional bRetry as Boolean = False)
Try
ssh.Connect(host, user, password)
Catch ex as TimeoutException When Not bRetry
''//Try again, but only once.
Login(host, user, password, True)
Cat...
How to count the number of files in a directory using Python
...
Remember to add the folder_path inside os.path.filename(name) if you're not on the cwd. stackoverflow.com/questions/17893542/…
– Rafael Oliveira
Apr 10 '14 at 14:54
...