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PowerShell script to return versions of .NET Framework on a machine?
...PSChildName -match '^(?!S)\p{L}'} |
Select PSChildName, Version, Release
Based on the MSDN article, you could build a lookup table and return the marketing product version number for releases after 4.5:
$Lookup = @{
378389 = [version]'4.5'
378675 = [version]'4.5.1'
378758 = [version]'...
Selecting empty text input using jQuery
...lter()" method.
// Thanks to @AaronLS
$('input:text[value=""]');
Working Demo
code from the demo
jQuery
$(function() {
$('#button').click(function() {
var emptyTextBoxes = $('input:text').filter(function() { return this.value == ""; });
var string = "The blank textbox ids are - \n"...
display: inline-block extra margin [duplicate]
...
Cleaner way to remove those spaces is by using float: left; :
DEMO
HTML:
<div>Some Text</div>
<div>Some Text</div>
CSS:
div {
background-color: red;
float: left;
}
I'ts supported in all new browsers. Never got it why back when IE ruled lot's of dev...
How many double numbers are there between 0.0 and 1.0?
...the possible values (for any "normal" floating point representation of any base and exponent vs fraction lengths) lie between 0.0 and 1.0 (another quarter between 1.0 and infinity, and the remaining half on the negative half of the real axis). Essentially, half the values of the exponent (with a no...
What is the most efficient way to store a list in the Django models?
...ng data is very common. Done correctly, it can save numerous expensive database lookups at the cost of a little more housekeeping.
To return a list of friend names we'll need to create a custom Django Field class that will return a list when accessed.
David Cramer posted a guide to creating a Sepe...
How can you check which options vim was compiled with?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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联网 App 第 4 课：图片上传，压缩后用 Web 客户端传到服务器、列表直接显...
...微数据库存的是文本，想存图片只能把图片转成很长的 Base64 文字，体积还会再大三分之一，读写都慢，很多服务对单个值也有大小限制。
更好的分工是：
手机 ──图片文件──▶ 服务端 /upload ──返回──▶ 图片地址 http:...
np.mean() vs np.average() in Python NumPy?
... axes 0 and 1, I get wildly incorrect results unless I specify dtype='float64':
>T.shape
(4096, 4096, 720)
>T.dtype
dtype('<f4')
m1 = np.average(T, axis=(0,1)) # garbage
m2 = np.mean(T, axis=(0,1)) # the same garbage
m3 = np.mean(T, axis=(0,1), dtype='fl...
The simplest possible JavaScript countdown timer? [closed]
...
I have two demos, one with jQuery and one without. Neither use date functions and are about as simple as it gets.
Demo with vanilla JavaScript
function startTimer(duration, display) {
var timer = duration, minutes, seconds;
...
python numpy machine epsilon
...er is aware about Python running on computers that aren't using underlying base-3 computation.
– kokociel
Jul 24 '18 at 8:02
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