大约有 48,000 项符合查询结果（耗时：0.0326秒） [XML]
mongodb: insert if not exists
... specify what data you want to write:
data = {"$set":{"key2":"value2"}}
Now your selected document will update the value of "key2" only and leave everything else untouched.
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How do I change the root directory of an apache server? [closed]
Does anyone know how to change the document root of the Apache server? I basically want localhost to come from /users/spencer/projects directory instead of /var/www .
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How do you do relative time in Rails?
...irb? I run: require 'active_support' and then try 'time_ago_in_words(Time.now)' but the function isn't found.
– cboettig
Aug 3 '12 at 0:24
2
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How do you get the current time of day?
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DateTime.Now.TimeOfDay gives it to you as a TimeSpan (from midnight).
DateTime.Now.ToString("h:mm:ss tt") gives it to you as a string.
DateTime reference: https://msdn.microsoft.com/en-us/library/system.datetime
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SQL Server equivalent of MySQL's NOW()?
...trying to get a datetime field to show the current time. In MySQL I'd use NOW() but it isn't accepting that.
4 Answers
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Does Python's time.time() return the local or UTC timestamp?
... gives you timestamp. Just remove the milliseconds - str(datetime.datetime.now()).split('.')[0]
– Hussain
Jan 3 '13 at 13:25
17
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force client disconnect from server with socket.io and nodejs
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Edit: This is now possible
You can now simply call socket.disconnect() on the server side.
My original answer:
This is not possible yet.
If you need it as well, vote/comment on this issue.
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How can I connect to Android with ADB over TCP? [closed]
...ram and type:
su
setprop service.adb.tcp.port 5555
stop adbd
start adbd
Now go to your computer (assuming that you are using Windows) and create a shortcut on the desktop for "cmd.exe" (without the quotations).
Right click on the cmd shortcut and choose "Run as Administrator"
Change to your and...
How to get current moment in ISO 8601 format with date, hour, and minute?
... Quoted "Z" to indicate UTC, no timezone offset
df.setTimeZone(tz);
String nowAsISO = df.format(new Date());
Using a new Date() as shown above will format the current time.
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how to create a file name with the current date & time in python?
...trying to use timedate (not work, I do not why), but with time it is clear now, the filename is created with success. Thank You so much!
– deepcell
May 15 '12 at 19:56
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