大约有 32,000 项符合查询结果（耗时：0.0531秒） [XML]
return query based on date
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You probably want to make a range query, for example, all items created after a given date:
db.gpsdatas.find({"createdAt" : { $gte : new ISODate("2012-01-12T20:15:31Z") }});
I'm using $gte (greater than or equals), because this is often used for date-only queries, where the t...
Hosting a Maven repository on github
I have a fork of a small open sourced library that I'm working on on github. I'd like to make it available to other developers via maven, but I don't want to run my own Nexus server, and because it's a fork I can't easily deploy it to oss.sonatype.org.
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Plurality in user messages
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If there is ever any chance, no matter how small, that this app will need to be translated to other languages then both are wrong. The correct way of doing this is:
string message = ( noofitemsselected==1 ?
"You have selected " + noofitemsselected + " item. Are you s...
Vim: Creating parent directories on save
...ries for files like ftp://* and !isdirectory will prevent expensive mkdir call.
Update: sligtly better solution that also checks for non-empty buftype and uses mkdir():
function s:MkNonExDir(file, buf)
if empty(getbufvar(a:buf, '&buftype')) && a:file!~#'\v^\w+\:\/'
let dir=...
In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?
...n and the Session_OnEnd event is triggered.
Session.Clear() just removes all values (content) from the Object. The session with the same key is still alive.
So, if you use Session.Abandon(), you lose that specific session and the user will get a new session key. You could use it for example when ...
What CSS selector can be used to select the first div within another div
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Can you tell me how to select all div except first/last div?
– Tân
Jul 5 '16 at 9:17
5
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How to get value from form field in django framework?
...equest.POST) # A form bound to the POST data
if form.is_valid(): # All validation rules pass
# Process the data in form.cleaned_data
# ...
print form.cleaned_data['my_form_field_name']
return HttpResponseRedirect('/thanks/') # Redirect after ...
What would be a good docker webdev workflow?
..., fig is now deprecated in favor of docker-compose
– allan.simon
Apr 10 '15 at 20:38
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Are GUID collisions possible?
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Basically, no. I think someone went mucking with your database. Depending on the version GUID you're using the value is either unique (for things like version 1 GUIDs), or both unique and unpredictable (for things like version 4...
CSS @font-face - what does “src: local('☺')” mean?
...icates any two-byte unicode characters won't work in a font name on Mac at all, so that lessens the likelihood that someone actually released a font with such a name.
There are a few reasons why smiley is a better solution:
Webkit+Font Management software can
mess up local referenc...