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What is the significance of initializing direction arrays below with given values when developing ch
...o on.
(Here I have said top left is 0,0 and bottom right is 4,4 and shown what move each index of the arrays will make from the central point, X, at 2,2.)
.....
.536.
.1X0.
.724.
.....
The way it is set up, if you do ^1 (^ being bitwise XOR) on the index you get the opposite direction - 0 and 1 ...
Eloquent Collection: Counting and Detect Empty
...Collection is always returned, even when there are no results. Essentially what you're checking is $a = new stdClass; if ($a) { ... } which will always return true.
To determine if there are any results you can do any of the following:
if ($result->first()) { }
if (!$result->isEmpty()) { }
...
What is the easiest way to duplicate an activerecord record?
...record, changing a single field in the process (in addition to the id ). What is the simplest way to accomplish this?
11 ...
Python Requests throwing SSLError
...ing validated via SSL so I have to get past that step first. I don't know what Python requests is wanting? Where is this SSL certificate supposed to reside?
...
Android soft keyboard covers EditText field
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Are you asking how to control what is visible when the soft keyboard opens? You might want to play with the windowSoftInputMode. See developer docs for more discussion.
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Create an Array of Arraylists
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What does "cannot create an array of generic type" mean? That doesn't really make sense to me because its not a generic if you provide what its suppose to hold, right?
– Andy
Sep 1 '12 a...
How do you overcome the HTML form nesting limitation?
...escribed: submit everything to the server and do a simple if/else to check what button was clicked.
And then I would implement a Javascript call tying into the form's onsubmit event which would check before the form was submitted, and only submit the relevant data to the server (possibly through a ...
Setting the correct encoding when piping stdout in Python
...Your code works when run in an script because Python encodes the output to whatever encoding your terminal application is using. If you are piping you must encode it yourself.
A rule of thumb is: Always use Unicode internally. Decode what you receive, and encode what you send.
# -*- coding: utf-8 ...
Biggest GWT Pitfalls? [closed]
...S styling my widgets, out of the box, custom or otherwise, so I don't know what you mean by that being a pitfall?
As for performance, I've always found that once compiled GWT code is fast, and AJAX calls are nearly always smaller than doing a whole page refresh, but that's not really unique to GWT,...
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
...I < 11, and Force Closing on API > 11.
I really couldn't figure out what they changed inside the Activity lifecycle in the call to saveInstance, but I here is how I solved this :
@Override
protected void onSaveInstanceState(Bundle outState) {
//No call for super(). Bug on API Level > ...