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How do you query for “is not null” in Mongo?
...this 3 years ago and, just to be sure, I just installed Mongo and tried it out again. It still works the same way, the answer is correct. The 2nd to last query returns only the 1st document.
– Tim Gautier
Nov 8 '17 at 16:54
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Is there something like RStudio for Python? [closed]
...ke syntax highlighting and integrated tutorials. Definitely worth checking out if you like RStudio!
– Elise Breda
Oct 11 '16 at 21:51
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Set width of TextView in terms of characters
...inner is: set the minEms attribute (android:minEms) !!!
So "ems" it turns out refers to the size of the widest character, typically an "M", get it? So setting minEms to an integer value say 3, on an EditText or TextView should ensure it's at least 3 characters wide. You can set the maxEms as well.
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libpng warning: iCCP: known incorrect sRGB profile
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Libpng-1.6 is more stringent about checking ICC profiles than previous versions. You can ignore the warning. To get rid of it, remove the iCCP chunk from the PNG image.
Some applications treat warnings as errors; if you are using such an application you ...
NGinx Default public www location?
...istribution might use entirely different default paths. Learning to figure out what kind of defaults your distribution of choice uses for things is another task entirely.
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How can I specify a branch/tag when adding a Git submodule?
...ommit of the submodule's repository.
This means, when someone else checks out your repository, or pulls your code, and does git submodule update, the submodule is checked out to that particular commit.
This is great for a submodule that does not change often, because then everyone on the project...
How to get the value from the GET parameters?
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Most implementations I've seen miss out URL-decoding the names and the values.
Here's a general utility function that also does proper URL-decoding:
function getQueryParams(qs) {
qs = qs.split('+').join(' ');
var params = {},
tokens,
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Angular js init ng-model from default values
...ur server render HTML entirely, all the better.
Ideally, you want to send out your Angular HTML templates, then pull down your values via $http in JSON and put them in your scope.
So if at all possible, do this:
app.controller('MyController', function($scope, $http) {
$http.get('/getCardInfo....
Blocks on Swift (animateWithDuration:animations:completion:)
...rouble making the blocks work on Swift. Here's an example that worked (without completion block):
7 Answers
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Any good ORM tools for Android development? [closed]
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Thought I'd just add my $0.02 here about my ORMLite package.
It is a lightweight replacement to Hibernate and uses native Android OS database calls to support SQLite on Android. It also supports many other database types using JDBC on other architectures. We ...