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“Application tried to present modally an active controller”?
I just came across a crash showing a NSInvalidArgumentException with this message on an app which wasn't doing this before.
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How to fully clean bin and obj folders within Visual Studio?
...you right click on a folder, you will see a "Clean" menu item. I assumed this would clean (remove) the obj and bin directory.
However, as far as I can see, it does nothing.
Is there another way?
(please don't tell me to go to Windows Explorer or the cmd.exe)
I'd like to remove the obj and bin folde...
Email validation using jQuery
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You can use regular old javascript for that:
function isEmail(email) {
var regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;
return regex.test(email);
}
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Can someone explain how to implement the jQuery File Upload plugin?
...ality some days back and came across a good tutorial on tutorialzine. Here is an working example. Complete tutorial can be found here.
Simple form to hold the file upload dialogue:
<form id="upload" method="post" action="upload.php" enctype="multipart/form-data">
<input type="file" name...
How to debug in Django, the good way? [closed]
...y along the way, I guess I got a routine in debugging my Django code. As this was done early in my coding experience, I sat down and wondered if how I was doing this was ineffective and could be done faster. I usually manage to find and correct the bugs in my code, but I wonder if I should be doing ...
error, string or binary data would be truncated when trying to insert
...string or binary data would be truncated
Think to yourself... The field is NOT big enough to hold my data.
Check the table structure for the customers table. I think you'll find that the length of one or more fields is NOT big enough to hold the data you are trying to insert. For example, if t...
How to concatenate properties from multiple JavaScript objects
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ECMAscript 6 introduced Object.assign() to achieve this natively in Javascript.
The Object.assign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
MDN documentation o...
Set attributes from dictionary in python
Is it possible to create an object from a dictionary in python in such a way that each key is an attribute of that object?
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How to change the foreign key referential action? (behavior)
...n with a foreign key, set to ON DELETE CASCADE (delete child when parent is deleted)
6 Answers
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How to convert an Array to a Set in Java
... convert an array to a Set in Java. There are some obvious ways of doing this (i.e. with a loop) but I would like something a bit neater, something like:
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