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HTML5 Pre-resize images before uploading
...);
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
var MAX_WIDTH = 800;
var MAX_HEIGHT = 600;
var width = img.width;
var height = img.height;
if (width > height) {
if (width > MAX_WIDTH) {
height *= MAX_WIDTH / width;
width = MAX_WIDTH;
}
} else {
if (height > ...
The simplest possible JavaScript countdown timer? [closed]
...isplay);
};
<body>
<div>Registration closes in <span id="time">05:00</span> minutes!</div>
</body>
Demo with jQuery
function startTimer(duration, display) {
var timer = duration, minutes, seconds;
setInterval(function () {
minute...
What is the difference between children and childNodes in JavaScript?
...ems iOS 8.3 (maybe others?) doesn't support .children on XML documents: jsfiddle.net/fbwbjvch/1
– Saebekassebil
May 21 '15 at 10:12
4
...
Putting HTML inside Html.ActionLink(), plus No Link Text?
...answered Dec 29 '09 at 14:49
DavidDavid
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...
windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...进程读取到数据。
客户进程传递的数据包括：服务进程ID、dump类型、crash线程id的地址、EXCEPTION_POINTERS指针的地址、参数异常和纯虚函数异常的断言信息地址、客户进程信息。服务进程会监控客户进程的退出。
客户进程接收的...
How do I print out the contents of an object in Rails for easy debugging?
...rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published_at: '2015-10-19 23:00:43.469520'
created_at: '2015-10-20 00:00:43.470739'
updated_at: '2015-10-20 00:00:43.470739'
attri...
MySQL SELECT only not null values
...comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)
SELECT *
FROM table
WHERE YourColumn IS NOT NULL;
Just for completeness I'll mention that in MySQL you can also negate the null safe equality operator but this is not standard SQL.
SELECT *
FROM ...
What is an Endpoint?
...rder to obtain an unauthorized Request Token from the server / service provider.
Resource Owner Authorization URI (called the User Authorization URL in the OAuth 1.0a community spec). This is a URI that you direct the user to to authorize a Request Token obtained from the Temporary Credential Reque...
Get cursor position (in characters) within a text Input field
...
What is the idea of "oField.focus()"? It works for me without this line. Be careful if you use blur event on your input and execute that function inside a callback.
– Kirill Reznikov
Sep 14 '15 at ...
Resize fields in Django Admin
... is a real waste of space, when, i.e., editing a date field, 8 characters wide, or a CharField, also 6 or 8 chars wide, and then the edit box goes up to 15 or 20 chars.
...