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Circle-Rectangle collision detection (intersection)
...ight corner of the rectangle. Also you can eliminate the expensive square root, by instead comparing against the square of the radius.
– luqui
Nov 7 '09 at 9:50
2
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Generate .pem file used to set up Apple Push Notifications
...rtificates" on the left navigation bar. Then, click "+" button.
Step 2: Select Apple Push Notification service SSL (Production) option under Distribution section, then click "Continue" button.
Step 3: Select the App ID you want to use for your BYO app (How to Create An App ID), then click "Con...
Apple Mach-O Linker Error when compiling for device
...
In some case error log window displaying .xctest error, to fix it
-> Select your project
-> Beside this(just before General tab) select your projectTest file from dropdown
-> There is one option (like ProjNameTests)
-> In Host Application, select your project from dropdown only if ...
Best way to check for “empty or null value”
... '
Demo
Empty string equals any string of spaces when cast to char(n):
SELECT ''::char(5) = ''::char(5) AS eq1
, ''::char(5) = ' '::char(5) AS eq2
, ''::char(5) = ' '::char(5) AS eq3;
Result:
eq1 | eq2 | eq3
----+-----+----
t | t | t
Test for "null or empty string" w...
Using IoC for Unit Testing
...around with UI tests and i faced situation when i had to share composition root. Any comments?
– Arnis Lapsa
Feb 8 '10 at 9:16
5
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SQL “between” not inclusive
... is interpreted as midnight when the day starts.
One way to fix this is:
SELECT *
FROM Cases
WHERE cast(created_at as date) BETWEEN '2013-05-01' AND '2013-05-01'
Another way to fix it is with explicit binary comparisons
SELECT *
FROM Cases
WHERE created_at >= '2013-05-01' AND created_at <...
How do you configure an OpenFileDialog to select folders?
In VS .NET, when you are selecting a folder for a project, a dialog that looks like an OpenFileDialog or SaveFileDialog is displayed, but is set up to accept only folders. Ever since I've seen this I've wanted to know how it's done. I am aware of the FolderBrowserDialog, but I've never really like...
How to turn IDENTITY_INSERT on and off using SQL Server 2008?
...
Import:
You must write columns in INSERT statement
INSERT INTO TABLE
SELECT * FROM
Is not correct.
Insert into Table(Field1,...)
Select (Field1,...) from TABLE
Is correct
share
|
imp...
How can I make git show a list of the files that are being tracked?
... -r HEAD
--full-tree makes the command run as if you were in the repo's root directory.
-r recurses into subdirectories. Combined with --full-tree, this gives you all committed, tracked files.
--name-only removes SHA / permission info for when you just want the file paths.
HEAD specifies which br...
Parsing HTML using Python
... node basically) of the first (and in this case, only) body element of the root element (in our case, html)
– Aadaam
Jul 29 '12 at 12:38
20
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