大约有 16,000 项符合查询结果（耗时：0.0335秒） [XML]
Can I query MongoDB ObjectId by date?
...ct and string input */
function objectIdWithTimestamp(timestamp) {
/* Convert string date to Date object (otherwise assume timestamp is a date) */
if (typeof(timestamp) == 'string') {
timestamp = new Date(timestamp);
}
/* Convert date object to hex seconds since Unix epoch ...
How to restore to a different database in sql server?
...Timeline to access the Backup
Timeline dialog box to manually select a point in time to stop the
recovery action.
In the Backup sets to restore grid, select the backups to restore. This grid displays the backups available for the specified
location. By default, a recovery plan is suggested....
How do I download a file over HTTP using Python?
...urllib2.urlopen(url)
f = open(file_name, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])
print "Downloading: %s Bytes: %s" % (file_name, file_size)
file_size_dl = 0
block_sz = 8192
while True:
buffer = u.read(block_sz)
if not buffer:
break
file_size_...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
...uld expect. I don't understand the design decision for single rows to get converted into a series - why not a data frame with one row?
– jobevers
Dec 4 '13 at 19:14
...
Convert a JSON string to object in Java ME?
Is there a way in Java/J2ME to convert a string, such as:
14 Answers
14
...
List all the modules that are part of a python package?
...ol for this job is pkgutil.walk_packages.
To list all the modules on your system:
import pkgutil
for importer, modname, ispkg in pkgutil.walk_packages(path=None, onerror=lambda x: None):
print(modname)
Be aware that walk_packages imports all subpackages, but not submodules.
If you wish to l...
Convert JSON string to dict using Python
...
If you trust the data source, you can use eval to convert your string into a dictionary:
eval(your_json_format_string)
Example:
>>> x = "{'a' : 1, 'b' : True, 'c' : 'C'}"
>>> y = eval(x)
>>> print x
{'a' : 1, 'b' : True, 'c' : 'C'}
>>>...
How to convert a String into an ArrayList?
...0].toCharArray())); I'm trying to get first String of an string array, and convert that string into charArray and that charArray to List<Character>
– sofs1
Apr 19 '19 at 22:55
...
Exif manipulation library for python [closed]
...
Use PIL :)
import os,sys
from PIL import Image
from PIL.ExifTags import TAGS
if __name__ == '__main__':
for (k,v) in Image.open(sys.argv[1])._getexif().iteritems():
print '%s = %s' % (TAGS.get(k), v)
os.system('pause')
...
Unicode character in PHP string
...cho json_decode('"'.$unicodeChar.'"');
Another option would be to use mb_convert_encoding()
echo mb_convert_encoding('&#x1000;', 'UTF-8', 'HTML-ENTITIES');
or make use of the direct mapping between UTF-16BE (big endian) and the Unicode codepoint:
echo mb_convert_encoding("\x10\x00", 'UTF-8...