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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...class in your xib.
I downloaded your project.
The error you are getting is
'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused by the Second view controller in MainW...
How does collections.defaultdict work?
I've read the examples in python docs, but still can't figure out what this method means. Can somebody help? Here are two examples from the python docs
...
How to create materialized views in SQL Server?
...rmance with SQL Server 2008 Indexed Views
Basically, all you need to do is:
create a regular view
create a clustered index on that view
and you're done!
The tricky part is: the view has to satisfy quite a number of constraints and limitations - those are outlined in the white paper. If you ...
GDB corrupted stack frame - How to debug?
I have the following stack trace. Is it possible to make out anything useful from this for debugging?
5 Answers
...
How do I remove a property from a JavaScript object?
...
Like this:
delete myObject.regex;
// or,
delete myObject['regex'];
// or,
var prop = "regex";
delete myObject[prop];
Demo
var myObject = {
"ircEvent": "PRIVMSG",
"method": "newURI",
"regex": "^http://.*"
};
d...
Can the Android drawable directory contain subdirectories?
...
No, the resources mechanism doesn't support subfolders in the drawable directory, so yes - you need to keep that hierarchy flat.
The directory layout you showed would result in none of the images being available.
From my own experiments it seems t...
Maintain the aspect ratio of a div with CSS
...e a wrapper <div> with a percentage value for padding-bottom, like this:
.demoWrapper {
padding: 10px;
background: white;
box-sizing: border-box;
resize: horizontal;
border: 1px dashed;
overflow: auto;
max-width: 100%;
height: calc(100vh - 16px);
}
div {
width: 100%;
p...
Can I add a custom attribute to an HTML tag?
...EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
[
<!ATTLIST tag myAttri CDATA #IMPLIED>
]>
#IMPLIED means it is an optional attribute, or you could use #REQUIRED, etc.
More information is in DTD - Attributes.
...
AngularJS ngClass conditional
Is there any way to make an expression for something like ng-class to be a conditional?
11 Answers
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Bundling data files with PyInstaller (--onefile)
I'm trying to build a one-file EXE with PyInstaller which is to include an image and an icon. I cannot for the life of me get it to work with --onefile .
...