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Why can I throw null in Java? [duplicate]
... @ruakh i really do like this answer, but the chosen answer beat it by a bit, and the content of the chosen answer pretty much answered my question. Would be interested to hear why Neal Grafter things it was a compile bug though...
– bharal
Jul 11 '13 at...
Declaring functions in JavaScript [duplicate]
...patterns is massive. I would highly recommend "Javascript: The Good Parts" by Doughlas Crockford.
But to prove my point in a subtle and a simple manner; here is a small example.
//Global function existing to serve everyone
function swearOutLoud(swearWord) {
alert("You "+ swearWord); ...
Update MongoDB field using value of another field
...ead of the .aggreate() method.
MongoDB 3.2 and 3.0
The way we do this is by $projecting our documents and use the $concat string aggregation operator to return the concatenated string.
we From there, you then iterate the cursor and use the $set update operator to add the new field to your document...
PyCharm shows unresolved references error for valid code
...
Dmitry's response didn't work for me.
I got mine working by going to Project Interpreters, Selecting the "Paths" tab, and hitting the refresh button in that submenu. It auto-populated with something called "python-skeletons".
edit: screenshot using PyCharm 3.4.1 (it's quite well h...
Send data from activity to fragment in Android
...ch is calling fragment instance and send data at that time.
every fragment by default have instance method
For example :
if your fragment name is MyFragment
so you will call your fragment from activity like this :
getSupportFragmentManager().beginTransaction().add(R.id.container, MyFragment...
Lists in ConfigParser
... @AlexDean You can setup the ConfigParser to leave the camelCase in place by setting optionxform = str. Example: config = ConfigParser.SafeConfigParser() config.optionxform = str Then the case will be left alone
– Cameron Goodale
Sep 13 '12 at 21:06
...
How to debug a GLSL shader?
...toColor(gl_ModelViewMatrix[1][1]);
if(bool(1)) // put 0 here to get lowest byte instead of three highest
gl_FrontColor=vec4(xAsColor.rgb,1);
else
gl_FrontColor=vec4(xAsColor.a,0,0,1);
After you get this on screen, you can just take any color picker, format the color as HTML (appending 00 t...
What is the maximum length of latitude and longitude? [closed]
...s very near to the poles are not indexable.
So exact limits, as specified by EPSG:900913 / EPSG:3785 / OSGEO:41001 are the following:
Valid longitudes are from -180 to 180 degrees.
Valid latitudes are from -85.05112878 to 85.05112878 degrees.
...
S3 - Access-Control-Allow-Origin Header
...n as far as the MDN docs on <img>, but I put only crossOrigin="true" by mistake. THANK YOU!
– Cezille07
Jun 21 '18 at 10:44
Center a popup window on screen?
...
This seems to be the technique used by Facebook for the popup on a share button.
– Tim Tisdall
Feb 25 '16 at 14:43
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