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How do I upload a file with metadata using a REST web service?
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One advantage to sending the content first is that by the time the metadata exists, the content is already present. Ultimately the right answer depends on the organisation of the data in the system.
– Gr...
What is an Intent in Android?
... a messaging object you can use to request an action from another app component
An Intent is basically a message to say you did or want something to happen. Depending on the intent, apps or the OS might be listening for it and will react accordingly. Think of it as a blast email to a bunch of fri...
How to set time delay in javascript
...var tid = setInterval(function(){
//called 5 times each time after one second
//before getting cleared by below timeout.
alert("I am setInterval");
},1000); //delay is in milliseconds
alert("after setInterval"); //called second
setTimeout(function(){
clearInterv...
What are the uses for Cross Join?
...g very practical if you were given 2 sets of id's (perhaps in csv format), one set would contain the employee ids and the other would contain task ids. The idea is that you have a M2M table for EmployeeTask. You could use the cross join to assign every given task to every given employee, granted you...
How can I process each letter of text using Javascript?
... represented as either UTF-8 or UTF-16 but not have this problem. The only ones that have the problem are the ones that require four bytes in UTF-16 rather than two bytes. ???? is a character that requires four bytes in UTF-16. Key terms to look up for more info are "astral plane", "non-BMP", and "s...
How to copy commits from one branch to another?
...y branching and merging is to be able to do everything by making commit(s) one place and merging them into wherever they're needed. Duplicate commits mean an intent never to merge those two branches (if you decide you want to later, you'll get conflicts).
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What are the Dangers of Method Swizzling in Objective-C?
...ling as well as the methodology used to achieve the result. I'll take each one at a time.
Method swizzling is not atomic
I have yet to see an implementation of method swizzling that is safe to use concurrently1. This is actually not a problem in 95% of cases that you'd want to use method swizzling...
AngularJS: Understanding design pattern
...aluable sources I've got some general recommendations for implementing components in AngularJS apps:
Controller
Controller should be just an interlayer between model and view. Try to make it as thin as possible.
It is highly recommended to avoid business logic in controller. It should be moved ...
UITableView : viewForHeaderInSection: not called during reloadData:
...also implement the tableView:titleForHeaderInSection:. You should only use one or the other (viewForHeader or titleForHeader).
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How to insert newline in string literal?
... isn't. You really need to know that you want to use the platform-specific one. For example, it isn't a good idea if you're using a network protocol which should define line terminators itself.
– Jon Skeet
Nov 3 '10 at 9:50
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