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Django: reverse accessors for foreign keys clashing
...name of the concrete model in each one, which you can do with some special string substitution:
create_user = models.ForeignKey(User, related_name='%(class)s_requests_created')
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...北和东南坐标的嵌套列表，格式为((北西)(南东))CenterFromString地图中心Set the initial center coordinate of the map. The value is specified as a comma-separated pair of decimal latitude and longitude coordinates, for example, 42.359144, -71.093612.In blocks code, it is recommende...
Displaying a message in iOS which has the same functionality as Toast in Android
...
NSString *message = @"Some message...";
UIAlertView *toast = [[UIAlertView alloc] initWithTitle:nil
message:message
delegate:nil
...
Changing the interval of SetInterval while it's running
I have written a javascript function that uses setInterval to manipulate a string every tenth of a second for a certain number of iterations.
...
How to customize the back button on ActionBar
...Backup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/MyCustomTheme" >
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What Computer Science concepts should I know? [closed]
...ncepts that helped my development (intellect and code):
Lexing, Parsing, String matching, Regex
Memoization
encapsulation/scoping/closures
caching
Recursion
Iterators/Generators
Functional programming - John Hughes' amazing article had me at "why"
These are whole domains of discrete math, but...
Removing white space around a saved image in matplotlib
...bbox_inches='tight')
You'll have to put the argument to bbox_inches as a string, perhaps this is why it didn't work earlier for you.
Possible duplicates:
Matplotlib plots: removing axis, legends and white spaces
How to set the margins for a matplotlib figure?
Reduce left and right margins in...
Using “this” with class name
... }.demoThis();
new NestedSiht().demoThis();
}
public static void main(String [] args) {
new Siht().demoThis();
}
}
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Unlimited Bash History [closed]
...
Set HISTSIZE and HISTFILESIZE in .bashrc to an empty string:
HISTSIZE=
HISTFILESIZE=
In bash 4.3 and later you can also use HISTSIZE=-1 HISTFILESIZE=-1:
n. Setting HISTSIZE to a value less than zero causes the history list to be
unlimited (setting it 0 zero disables t...
How do I create a transparent Activity on Android?
...vity:
@Override
protected void onCreate(Bundle savedInstanceState) {
String email = getIntent().getStringExtra(AppConstants.REGISTER_EMAIL_INTENT_KEY);
if (email != null && !email.isEmpty()) {
// We have the valid email ID, no need to take it from user,
// prepare t...