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Android - Camera preview is sideways
I am using a Preview to display what the camera see's on the screen.
8 Answers
8
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Amazon S3 boto - how to create a folder?
...There is no concept of folders or directories in S3. You can create file names like "abc/xys/uvw/123.jpg", which many S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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IntelliJ - Convert a Java project/module into a Maven project/module
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Right-click on the module, select "Add framework support...", and check the "Maven" technology.
(This also creates a pom.xml for you to modify.)
If you mean adding source repository elements, I think you need to do that manually–not sure.
Pre-IntelliJ 13 this wo...
How to get the separate digits of an int number?
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To do this, you will use the % (mod) operator.
int number; // = some int
while (number > 0) {
print( number % 10);
number = number / 10;
}
The mod operator will give you the remainder of doing int division on a number.
So,
10012 % 10 = 2
Because:
10012 / 10 = 1001, remain...
How do I remove all non alphanumeric characters from a string except dash?
How do I remove all non alphanumeric characters from a string except dash and space characters?
13 Answers
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Enterprise app deployment doesn't work on iOS 7.1
...o install. Instead we just get the generic Cannot connect to example.com message that iOS unhelpfully displays when there is any sort of problem downloading the app.
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How to access a dictionary element in a Django template?
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To echo / extend upon Jeff's comment, what I think you should aim for is simply a property in your Choice class that calculates the number of votes associated with that object:
class Choice(models.Model):
text = models.CharField(max_length=200)
def...
GitHub “fatal: remote origin already exists”
... origin git@github.com:ppreyer/first_app.git
Long version:
As the error message indicates, there is already a remote configured with the same name. So you can either add the new remote with a different name or update the existing one if you don't need it:
To add a new remote, called for example ...
MySQL Server has gone away when importing large sql file
...ixes) for the MySQL server has gone away
(error 2006) are:
Server timed out and closed the connection. How to fix:
check that wait_timeout variable in your mysqld’s my.cnf configuration file is large enough. On Debian: sudo nano
/etc/mysql/my.cnf, set wait_timeout = 600 seconds (...
Divide a number by 3 without using *, /, +, -, % operators
... if (num == 3)
sum = add(sum, 1);
return sum;
}
As Jim commented this works, because:
n = 4 * a + b
n / 3 = a + (a + b) / 3
So sum += a, n = a + b, and iterate
When a == 0 (n < 4), sum += floor(n / 3); i.e. 1, if n == 3, else 0
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