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Google Maps API v3: How to remove all markers?

...work anymore. I've corrected it, change clearMarkers method this way: set_map(null) ---> setMap(null) google.maps.Map.prototype.clearMarkers = function() { for(var i=0; i < this.markers.length; i++){ this.markers[i].setMap(null); } this.markers = new Array(); }; Docume...
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Code for Greatest Common Divisor in Python [closed]

... It doesn't return "the _largest_ number that divides both of them with no remainder" e.g., fractions.gcd(1, -1) is -1 but 1 > -1 i.e., 1 divides both 1 and -1 with no remainder and it is larger than -1, see bugs.python.org/issue22477 ...
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JSON serialization of Google App Engine models

...nary that can be passed to simplejson: import datetime import time SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list) def to_dict(model): output = {} for key, prop in model.properties().iteritems(): value = getattr(model, key) if value is None or isinstance(...
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Python: finding an element in a list [duplicate]

...hod .index. For the objects in the list, you can do something like: def __eq__(self, other): return self.Value == other.Value with any special processing you need. You can also use a for/in statement with enumerate(arr) Example of finding the index of an item that has value > 100. for...
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How to pull a random record using Django's ORM?

... Using order_by('?') will kill the db server on the second day in production. A better way is something like what is described in Getting a random row from a relational database. from django.db.models.aggregates import Count from random...
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How to set radio button checked as default in radiogroup?

....getId() works as well, thx Ramesh EDIT2: android:checkedButton="@+id/my_radiobtn" works in radiogroup xml share | improve this answer | follow | ...
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How to make an empty div take space

... have a user-generated content website? e.g. a user submit empty comment.. based in your solution I have to build a code to check if the comment is empty, then add "&nbsp" (over complicating for no good reason) min-height and min-width is the best solution because I will write it once and wont w...
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How to create a drop-down list?

...iew: XML: <Spinner android:id="@+id/spinner1" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@android:drawable/btn_dropdown" android:spinnerMode="dropdown"/> Java: //get the spinner from the xml. Spinner dropdown = findVi...
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How can I use pointers in Java?

...on top of actual pointers in the runtime. – kingfrito_5005 Aug 4 '15 at 20:32 @kingfrito_5005 It would appear that you...
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How to deal with cyclic dependencies in Node.js

...orts forward declaration: module.exports = { }; // Controllers: var other_module = require('./other_module'); // Functions: var foo = function () { }; // Module exports injects: module.exports.foo = foo; share ...