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In mongoDb, how do you remove an array element by its index?
.../browse/SERVER-1014 , you may vote for it.
The workaround is using $unset and then $pull:
db.lists.update({}, {$unset : {"interests.3" : 1 }})
db.lists.update({}, {$pull : {"interests" : null}})
Update: as mentioned in some of the comments this approach is not atomic and can cause some race con...
Getting attributes of a class
...
Try the inspect module. getmembers and the various tests should be helpful.
EDIT:
For example,
class MyClass(object):
a = '12'
b = '34'
def myfunc(self):
return self.a
>>> import inspect
>>> inspect.getmembers(MyClass,...
Handling optional parameters in javascript
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You can know how many arguments were passed to your function and you can check if your second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(param...
Is it considered acceptable to not call Dispose() on a TPL Task object?
... say:
Task.Dispose exists due to Task
potentially wrapping an event handle
used when waiting on the task to
complete, in the event the waiting
thread actually has to block (as
opposed to spinning or potentially
executing the task it's waiting on).
If all you're doing is using
co...
Which Eclipse version should I use for an Android app?
I am starting to develop Android applications. Which version of Eclipse should I use?
14 Answers
...
Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
... I can double when Ben says, I left out the additional requiredRuntime and my problem went away.
– Mike Malter
Sep 4 '13 at 18:07
1
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Use a URL to link to a Google map with a marker on it
...maps/documentation/urls/guide
You can use URLs in search, directions, map and street view modes.
For example, to show the marker at specified position you can use the following URL:
https://www.google.com/maps/search/?api=1&query=36.26577,-92.54324
For further details please read aforementio...
Convert JavaScript string in dot notation into an object reference
..."
It is of course generally fine to do this if your use case is small and you will not run into performance issues, AND you won't need to build upon your abstraction to make it more complicated later. In fact, if this will reduce code complexity and keep things simple, you should probably go ah...
How can I get the length of text entered in a textbox using jQuery?
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For me its not text box its a span tag and this worked for me.
var len = $("span").text().length;
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Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time
...Time(). It is the Date which is getting converted to a string for println, and that conversion will use the default IST timezone in your case.
You'll need to explicitly use DateFormat.setTimeZone() to print the Date in the desired timezone.
EDIT: Courtesy of @Laurynas, consider this:
TimeZone tim...