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How to remove a column from an existing table?
... it drops the column only if it exists in the table else it will not throw error.
Instead of using big IF wrappers to check the existence of column before dropping it you can just run the above DDL statement
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...
How to detect the swipe left or Right in Android?
...wipeTypeEnum.RIGHT_TO_LEFT);
else
Log.e("SwipeDetector error","please pass SwipeDetector.onSwipeEvent Interface instance");
}
public void onLeftToRightSwipe(){
if(swipeEventListener!=null)
swipeEventListener.SwipeEventDetected(v,SwipeTypeEnum.LEFT_TO_...
git stash apply version
...sh won't overwrite your working directory changes if it does you'll get an error:
error: Your local changes to the following files would be overwritten by merge:
file
Please commit your changes or stash them before you merge.
In versions prior to 1.7.5.1, it refused to work if there was a...
Why unsigned integer is not available in PostgreSQL?
... psql gives when I try to abuse the type.
DS1=# select (346346 :: uint2);
ERROR: value for domain uint2 violates check constraint "uint2_check"
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...
Why is AJAX returning HTTP status code 0?
...
i have errors because of 'cross-site scripting'; what should i do?
– user3631755
Oct 8 '17 at 10:12
1
...
How to select option in drop down protractorjs e2e tests
...ave two similar options it will use the last found option - which threw up errors based on the wrong selection. What worked for me was stackoverflow.com/a/25333326/1945990
– Mike W
Sep 9 '15 at 8:21
...
jQuery, simple polling example
...tion(resolve, reject) {
$.extend(opts, {
success: resolve,
error: reject
});
$.ajax(opts);
}
}
var poll = function() {
co(function *() {
return yield ajax({
url: '/my-api',
type: 'json',
method: 'post'
});
}).then(function(response) {
cons...
How to install an apk on the emulator in Android Studio?
...that before searching online, duh) worked quickly on the first try without error.
– Christopher Schultz
Jul 28 '16 at 21:48
...
How can I return two values from a function in Python?
...ork returns a UnmarshalResult which is a namedtuple. So you can do:
data, errors = MySchema.loads(request.json())
if errors:
...
or
result = MySchema.loads(request.json())
if result.errors:
...
else:
# use `result.data`
In other cases you may return a dict from your function:
def ...
Make var_dump look pretty
...which stack you use) for it's /etc/php/7.0/fpm/php.ini
Search for display_errors
set same -> display_errors = On
Check html_errors in same file a little bit below, it's also must be On
Save and exit
After open /etc/php/7.0/fpm/conf.d/20-xdebug.ini
And add to the end:
```
xdebug.cli_color=1
...