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Checking for a null int value from a Java ResultSet
...t if the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
// handle NULL field value
}
}
(Edited as @martin comments below; the OP code as written would ...
How to generate a simple popup using jQuery
...t'));
return false;
});
});
$.fn.slideFadeToggle = function(easing, callback) {
return this.animate({ opacity: 'toggle', height: 'toggle' }, 'fast', easing, callback);
};
And finally the html:
<div class="messagepop pop">
<form method="post" id="new_message" action="/messages"...
Create a unique number with javascript time
...now() + Math.random()
If there is a 1 millisecond difference in function call, it is 100% guaranteed to generate a different number. For function calls within the same millisecond you should only start to be worried if you are creating more than a few million numbers within this same millisecond, ...
How to continue a Docker container which has exited
...
I have found the container getting into a state called Created... from which it can not be started with a docker start .... It can however be restarted using docker restart ...
– Voltaire
Jun 13 '17 at 12:20
...
How to move an element into another element?
... div to the destination? (because if it copies, it would create erros when calling the div by the id)
– user1031721
Jul 12 '12 at 22:04
51
...
How to launch an Activity from another Application in Android
...ad them out. From your apps I think you cannot determine from where was it called but your app can determines that it can not be call via the main activity just via services.
– andep
Sep 24 '13 at 8:19
...
jQuery - multiple $(document).ready …?
...
All will get executed and On first Called first run basis!!
<div id="target"></div>
<script>
$(document).ready(function(){
jQuery('#target').append('target edit 1<br>');
});
$(document).ready(function(){
jQuery('#target'...
prevent property from being serialized in web API
...hich api method is invoked i.e different data are needed for different api calls. Any suggestions
– Nithin Chandran
Feb 15 '18 at 3:08
...
ASP.NET MVC - Set custom IIdentity or IPrincipal
...ever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
...
SQLAlchemy: cascade delete
...ause that is where you defined your relationship (it doesn't care that you called it "Child" of course).
If you define the relationship on the Parent class instead, it will work:
children = relationship("Child", cascade="all,delete", backref="parent")
(note "Child" as a string: this is allowed w...