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How to delete a file via PHP?
...
Check your permissions first of all on the file, to make sure you can a) see it from your script, and b) are able to delete it.
You can also use a path calculated from the directory you're currently running the script in, eg:
unlink(dirname(__FILE__) . "/...
Using jQuery to test if an input has focus
...filter out false positives like body. This way, we make sure to filter out all elements except form controls and hyperlinks.
You're defining a new selector. See Plugins/Authoring. Then you can do:
if ($("...").is(":focus")) {
...
}
or:
$("input:focus").doStuff();
Any jQuery
If you just wa...
How to tell Eclipse Workspace?
...d it shows the name of current workspace.
I tried to confirm
"Actually, this shows the last workspace that was closed, not the current workspace. If you are opening and closing several, this is not dependable."
and I am not able to reproduce it. Each time I get the currently loaded worksp...
Can I have multiple Xcode versions installed?
Is it possible to have more than one version of Xcode installed at the same time?
12 Answers
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How to print to the console in Android Studio?
...nknown property 'Log' for object of type com.android.build.gradle.internal.api.LibraryVariantImpl.
– bigp
Nov 29 '16 at 23:25
7
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How do I declare class-level properties in Objective-C?
...mething that's equivalent to a static variable? E.g. only one instance for all types of Foo?
To declare class functions in Objective-C you use the + prefix instead of - so your implementation would look something like:
// Foo.h
@interface Foo {
}
+ (NSDictionary *)dictionary;
// Foo.m
+ (NSDicti...
How to reference a method in javadoc?
... above under "A chain of method calls." However, this can be fragile while APIs are evolving.
Type erasure and #member
If the method signature includes parameterized types, use the erasure of those types in the javadoc @link. For example:
int bar( Collection<Integer> receiver ) { ... }
/** Se...
Android Studio could not find any version that matches com.android.support:appcompat-v7:+
...
Open SDK Manager.exe in your Android Studio folder and install a matching API.
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GraphViz - How to connect subgraphs?
...luster, that can be linked to even if the cluster is empty otherwise. DUMMY_0 [shape=point style=invis]
– DevSolar
Jun 25 '12 at 7:36
2
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findViewById in Fragment
...e fragment (the one returned by onCreateView() method). With this you can call findViewById().
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
ImageView imageView = (ImageView) getView().findViewById(R.id.foo);
// or (ImageView) view.findViewById(R.id....