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How to move a model between two Django apps (Django 1.7)
...ration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file to include these operations.
class Migration(migrations.Migration):
database_operations = [migrations.AlterModelTable('TheModel', 'newapp_themodel')]
state_operations = [migration...
Difference between String#equals and String#contentEquals methods
...alusC
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Git rebase merge conflict cannot continue
...commit after a git add. So, the following sequence will produce the rebase error you mention:
git add <file with conflict>
git commit -m "<some message>"
git rebase --continue
While, the sequence below runs without any errors, and continues the rebase:
git add <file with conflict&g...
Why does Go have a “goto” statement
... x = x + 1
}
if x == 2 {
return z
}
x = x - 2
p = (((((x*_gamP[0]+_gamP[1])*x+_gamP[2])*x+_gamP[3])*x+_gamP[4])*x+_gamP[5])*x + _gamP[6]
q = ((((((x*_gamQ[0]+_gamQ[1])*x+_gamQ[2])*x+_gamQ[3])*x+_gamQ[4])*x+_gamQ[5])*x+_gamQ[6])*x + _gamQ[7]
return z * p / q
small:
if x == 0 ...
Meaning of tilde in Linux bash (not home directory)
...e expansion is done, ~x means the home directory of user 'x' (and it is an error if user 'x' does not exist).
It might be worth mentioning that:
cd ~- # Change to previous directory ($OLDPWD)
cd ~+ # Change to current directory ($PWD)
I can't immediately find a use for '~+', unless...
Putting a simple if-then-else statement on one line [duplicate]
...ou can't omit the else when using the ternary form, it results in a syntax error, but you could do a normal if in one line , I updated the samples to illustrate.
– cmsjr
Feb 15 '17 at 3:42
...
Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...ing View.inflate instead of inflating from a layoutinflater makes the lint error disappear.
Thought I'd post this here since this thread is at the top of the Google Search...
view = View.inflate(context,R.layout.custom_layout,null);
...
Get the current displaying UIViewController on the screen in AppDelegate.m
...:(NSDictionary *)userInfo {
// see http://stackoverflow.com/a/2777460/305149
if (self.isViewLoaded && self.view.window) {
// handle the notification
}
}
You could also use this approach to instrument controls which need to update when a notification is received and are used...
jQuery Mobile: document ready vs. page events
...time you visit some page it will bind events over and over. This is not an error, it is simply how jQuery Mobile handles its pages. For example, take a look at this code snippet:
$(document).on('pagebeforeshow','#index' ,function(e,data){
$(document).on('click', '#test-button',function(e) {
...
For loop example in MySQL
...clare str VARCHAR(255) default ''; in the MySQL (5.6) console gives me the error message Error 1064 (42000): ... for the right syntax to use near '' at line 3, which is as clear as mud (although I assume it doesn't like the DEFAULT clause).
– Agi Hammerthief
Ma...