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Weak and strong property setter attributes in Objective-C
...r __strong
__weak
for variables (defaults to __strong). Strong is the equivalent to retain, however ARC will manage the release for you.
The only time you would want to use weak, is if you wanted to avoid retain cycles (e.g. the parent retains the child and the child retains the parent so neithe...
Difference between Observer, Pub/Sub, and Data Binding
... when you want to listen for any data change on an object and update other UI views correspondingly.
But the Cons are Observables only maintain one array for keeping observers
(in the example, the array is observersList).
It does NOT differentiate how the update is triggered because it only has one ...
Line-breaking widget layout for Android
...data ('sentence'?), the ViewGroup widget containing the words. As space required for all 'words' in a 'sentence' would exceed the available horizontal space on the display, I would like to wrap these 'sentences' as you would a normal piece of text.
...
What are the differences between git remote prune, git prune, git fetch --prune, etc
...on number 2 above. For example, if you deleted a branch using the git web GUI and don't want it to show up in your local branch list anymore (git branch -r), then this is the command you should use.
To remove a local branch, you should use git branch -d (or -D if it's not merged anywhere). FWIW, t...
Mercurial move changes to a new branch
...ine it with the succeeding one (e.g. by using the fold command of the now built-in histedit extension).
– Oben Sonne
Nov 28 '12 at 12:19
6
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Sending files using POST with HttpURLConnection
...edReader(new InputStreamReader(responseStream));
String line = "";
StringBuilder stringBuilder = new StringBuilder();
while ((line = responseStreamReader.readLine()) != null) {
stringBuilder.append(line).append("\n");
}
responseStreamReader.close();
String response = stringBuilder.toString();...
How to make Twitter Bootstrap menu dropdown on hover rather than click
...p">
<div class="navbar-inner">
<div class="container-fluid">
<a data-target=".nav-collapse" data-toggle="collapse" class="btn btn-navbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span cla...
Understanding checked vs unchecked exceptions in Java
...depends on where this code is and what you want to happen. If it is in the UI layer - catch it and show a warning; if it's in the service layer - don't catch it at all - let it bubble. Just don't swallow the exception. If an exception occurs in most of the cases you should choose one of these:
log...
Create the perfect JPA entity [closed]
... time on what's important.
Constructors: create a constructor with all required fields of the entity?
Constructor(s) for application logic, should have only a few critical "foreign key" or "type/kind" fields which will always be known when creating the entity. The rest should be set by calling the...
Advantage of creating a generic repository vs. specific repository for each object?
We are developing an ASP.NET MVC application, and are now building the repository/service classes. I'm wondering if there are any major advantages to creating a generic IRepository interface that all repositories implement, vs. each Repository having its own unique interface and set of methods.
...