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Find mouse position relative to element
I want to make a little painting app using canvas. So I need to find the mouse's position on the canvas.
23 Answers
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
... described. There are some benefits. But, IMO, "always" rules don't always apply. So I don't wholly support
Always use a { } block - even for a single line // not OK, why ???
I'm not saying always use a {} block. If it's a simple enough condition & behavior, don't. If you suspect someone m...
Android: ProgressDialog.show() crashes with getApplicationContext
I can't seem to grasp why this is happening. This code:
18 Answers
18
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Shortest way to print current year in a website
... of the page contents with just the date year.
For this scenario, you can append a text node to the existing element using the following code:
<div>
©
<span id="copyright">
<script>document.getElementById('copyright').appendChild(document.createTextNode(n...
Creating a copy of a database in PostgreSQL [closed]
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Yes, the same caveats apply to this command, as to explicit CREATE DATABASE invocation. Like the comments for Bell's answer above say, the database should be idle.
– zbyszek
Apr 13 '12 at 15:50
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What is the difference between a thread and a fiber?
...ht-weight, cooperative threads. Both are separate execution paths for your application.
With threads: the current execution path may be interrupted or preempted at any time (note: this statement is a generalization and may not always hold true depending on OS/threading package/etc.). This means tha...
How to find unused images in an Xcode project?
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Slender is paid app. several false positives and not good for commercial products. script provided by emcmanus is really great.
– Arun
Nov 15 '12 at 16:06
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Android: How to create a Dialog without a title?
...ertDialog.Builder builder;
AlertDialog alertDialog;
Context mContext = getApplicationContext();
LayoutInflater inflater = (LayoutInflater)
mContext.getSystemService(LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.custom_dialog,
(ViewGroup) findViewById(R.id.layout_...
How to filter Android logcat by application? [duplicate]
How can I filter Android logcat output by application? I need this because when I attach a device, I can't find the output I want due to spam from other processes.
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...make the mistake of triggering layout at the time that a view transform is applied.]
Autolayout vs. View Transforms
Autolayout does not play at all well with view transforms. The reason, as far as I can discern, is that you're not supposed to mess with the frame of a view that has a transform (oth...