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JSON encode MySQL results
...
$sth = mysqli_query($conn, "SELECT ...");
$rows = array();
while($r = mysqli_fetch_assoc($sth)) {
$rows[] = $r;
}
print json_encode($rows);
The function json_encode needs PHP >= 5.2 and the php-json package - as mentioned here
NOTE: mysql is dep...
XPath to select element based on childs child value
Trying to select an element based on the value of one of it's childrens childrens
1 Answer
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How to add text at the end of each line in Vim?
...e file, you can specify them in place of the %.
One way is to do a visual select and then type the :. It will fill in :'<,'> for you, then you type the rest of it (Notice you only need to add s/$/,/)
:'<,'>s/$/,/
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How to stop creating .DS_Store on Mac? [closed]
I'm developing sites on mac and every time I create some folder (or file in that folder) .DS_Store is created in that folder.
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How do I test a camera in the iPhone simulator?
... harder than using the simulator. Just build a debug target for the device and leave it attached to the computer.
List of actions that require an actual device:
the actual phone
the camera
the accelerometer
real GPS data
the compass
vibration
push notifications...
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Adding a simple UIAlertView
...d OK
if (buttonIndex == 0) {
// do something here...
}
}
And make sure your delegate conforms to UIAlertViewDelegate protocol:
@interface YourViewController : UIViewController <UIAlertViewDelegate>
...
Explicit vs implicit SQL joins
...e joined and how they are joined. Try compare larger SQL queries where you selecting from 8 different tables and you have lots of filtering in the where. By using join syntax you separate out the parts where the tables are joined, to the part where you are filtering the rows.
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Build unsigned APK file with Android Studio
...nu in the toolbar at the top (Open 'Edit Run/Debug configurations' dialog)
Select "Edit Configurations"
Click the "+"
Select "Gradle"
Choose your module as a Gradle project
In Tasks: enter assemble
Press Run
Your unsigned APK is now located in
ProjectName\app\build\outputs\apk
For detailed inf...
Reading a simple text file
I am trying to read a simple text file in my sample Android Application. I am using the below written code for reading the simple text file.
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Disable migrations when running unit tests in Django 1.7
...ailing list:
If makemigrations has not yet been run, the "migrate" command treats
an app as unmigrated, and creates tables directly from the models just
like syncdb did in 1.6. I defined a new settings module just for unit
tests called "settings_test.py", which imports * from the main
se...