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How to iterate over a JSONObject?
...elp:
JSONObject jsonObject = new JSONObject(contents.trim());
Iterator<String> keys = jsonObject.keys();
while(keys.hasNext()) {
String key = keys.next();
if (jsonObject.get(key) instanceof JSONObject) {
// do something with jsonObject here
}
}
...
How to link to apps on the app store
...n' s openURL: method to open your item in the App Store.
Sample code:
NSString *iTunesLink = @"itms://itunes.apple.com/app/apple-store/id375380948?mt=8";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:iTunesLink]];
Swift 4.2
let urlStr = "itms-apps://itunes.apple.com/app/ap...
When to use @QueryParam vs @PathParam
...h. Such as:
/departments/{dept}/employees/{id}
Some REST APIs use query strings for filtering, pagination and sorting, but Since REST isn't a strict standard I'd recommend checking some REST APIs out there such as github and stackoverflow and see what could work well for your use case.
I'd reco...
How to resume Fragment from BackStack if exists
...nt replacement logic.
private void replaceFragment (Fragment fragment){
String backStateName = fragment.getClass().getName();
FragmentManager manager = getSupportFragmentManager();
boolean fragmentPopped = manager.popBackStackImmediate (backStateName, 0);
if (!fragmentPopped){ //fragment ...
what exactly is device pixel ratio?
...x image. Bigger image, but it looks better since the display has all those extra pixels. This is the idea behind "Retina Displays".
– Jake Wilson
Jan 6 '16 at 18:37
...
How to bind multiple values to a single WPF TextBlock?
...
You can use a MultiBinding combined with the StringFormat property. Usage would resemble the following:
<TextBlock>
<TextBlock.Text>
<MultiBinding StringFormat="{}{0} + {1}">
<Binding Path="Name" />
<Bi...
Stop Mongoose from creating _id property for sub-document array items
...t declaration.
var schema = new mongoose.Schema({
field1:{
type:String
},
subdocArray:[{
_id:false,
field :{type:String}
}]
});
This will prevent the creation of an _id field in your subdoc.
Tested in Mongoose v5.9.10
...
Cocoa Touch: How To Change UIView's Border Color And Thickness?
...?.CGColor
}
}
}
This way, your default View always has those extra editable fields in Attributes Inspector. Another advantage is that you don't have to change the class to MycustomView every time.
However, one drawback to this is that you will only see your changes when you run your ap...
How does the compilation/linking process work?
...le length depending on the particular instruction involved, and because we string a variable length of them together as we build our machine code, there is a two step process involved in calculating and building any addresses.
First we laying out the allocation of memory as best we can before we ca...
Generate sql insert script from excel worksheet
...the last in the columns list and then it would not be necessary to have an extra column at all.
– Andrey Morozov
Mar 20 '15 at 6:48
...