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onchange event on input type=range is not triggering in firefox while dragging
.../td><td>input </td><td>100</td><td>-</td></tr>
<tr id="chg" ><td>B</td><td>change </td><td>100</td><td>-</td></tr>
<tr id="md...
How do you get the footer to stay at the bottom of a Web page?
...="footer"></div>.
* {
margin: 0;
}
html, body {
height: 100%;
}
.wrapper {
min-height: 100%;
height: auto !important;
height: 100%;
margin: 0 auto -142px; /* the bottom margin is the negative value of the footer's height */
}
.footer, .push {
height: 142px; /* ...
How can I time a code segment for testing performance with Pythons timeit?
...when you set its number argument)
import time
def myfast():
code
n = 10000
t0 = time.time()
for i in range(n): myfast()
t1 = time.time()
total_n = t1-t0
In Windows, as Corey stated in the comment, time.clock() has much higher precision (microsecond instead of second) and is preferred over t...
Passing command line arguments to R CMD BATCH
...at invoking it from the command line looks like
> Rscript myScript.R 5 100
[1] 98.46435 100.04626 99.44937 98.52910 100.78853
Edit:
Not that I'd recommend it, but ... using a combination of source() and sink(), you could get Rscript to produce an .Rout file like that produced by R CMD BA...
What is difference between Collection.stream().forEach() and Collection.forEach()?
...ut still under worst situations, looping over 10^5 entries 10^6 times took 100 seconds for the worst performer, so other considerations are more important in virtually all situations.
public int outside = 0;
private void iteratorForEach(List<Integer> integers) {
integers.forEach((ii) ->...
How to profile methods in Scala?
.../ Now wrap your method calls, for example change this...
val result = 1 to 1000 sum
// ... into this
val result = time { 1 to 1000 sum }
share
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follo...
用矩阵管理成绩表 - App Inventor 2 矩阵块入门案例 · App Inventor 2 中文网
...）
目标：点 按钮_修改，把第 2 行第 3 列改成 100，并在标签上确认。
搭块步骤：
拖出 当 按钮_修改.被点击 事件。
放矩阵抽屉的 设置矩阵单元格：矩阵 槽放 取全局变量 成绩表，值 填 100，行 2、列 3。
下面...
How do I get the width and height of a HTML5 canvas?
...s. This may or may not matter, but in my CSS I set the width and height to 100,100 and the getBoundingClientRect returns 102, 102. clientHeight and clientWidth (or scrollHeight and scrollWidth) return 100 correctly.
– DoomGoober
Mar 30 at 0:15
...
How do I test a file upload in rails?
...ng default rails test with factory girl. Fine below code.
factory :image_100_100 do
image File.new(File.join(::Rails.root.to_s, "/test/images", "100_100.jpg"))
end
Note: you will have to keep an dummy image in /test/images/100_100.jpg.
It works perfectly.
Cheers!
...
Formatting a number with exactly two decimals in JavaScript
...es. May break code with further calculations. Otherwise Math.round(value*100)/100 works better for 2DP.
– UpTheCreek
Aug 2 '12 at 6:11
...