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Convert timestamp to readable date/time PHP
...46702 in time
$year = $time/31556926 % 12; // to get year
$week = $time / 604800 % 52; // to get weeks
$hour = $time / 3600 % 24; // to get hours
$minute = $time / 60 % 60; // to get minutes
$second = $time % 60; // to get seconds
...
程序员羊皮卷下载版.pdf - 文档下载 - 清泛网 - 专注C/C++及内核技术
...
55 尽快确立自己的位置
57 明确自己人生与事业的目标
60 第4 章 正确判断公司情况
60 判断公司和工作的三条法则
60 前途无望的光明科技发展公司
62 一将无能累死三军的项目经理Mark
63 不想换工作的Mars
64 项目经理、研发总...
How do I set the offset for ScrollSpy in Bootstrap?
.../
h1[id],
h2[id],
h3[id],
h4[id],
h5[id],
h6[id],
dt[id]{
padding-top: 60px;
margin-top: -40px;
}
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Calculating days between two dates with Java
...a problem, diff can also be converted by hand:
float days = (diff / (1000*60*60*24));
Note that this is a float value, not necessarily an int.
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Calculating Distance between two Latitude and Longitude GeoCoordinates
...;
dist = Math.Acos(dist);
dist = dist*180/Math.PI;
dist = dist*60*1.1515;
switch (unit)
{
case 'K': //Kilometers -> default
return dist*1.609344;
case 'N': //Nautical Miles
return dist*0.8684;
case 'M': //Miles
retu...
Create a pointer to two-dimensional array
...and operate on.
For instance, int a[4][3][5] = an array containing 4*3*5 (60) 'chunks' of integer-sized memory.
The advantage over using int a[4][3][5] vs plain int b[60] is that they're now 'partitioned' (Easier to work with their 'chunks', if needed), and the program can now perform bound checki...
Keeping ASP.NET Session Open / Alive
... Session alive:
function setHeartbeat() {
setTimeout("heartbeat()", 5*60*1000); // every 5 min
}
function heartbeat() {
$.get(
"/SessionHeartbeat.ashx",
null,
function(data) {
//$("#heartbeat").show().fadeOut(1000); // just a little "red flash" in the co...
Difference between 2 dates in SQLite
...nutes
Select Cast ((
JulianDay(ToDate) - JulianDay(FromDate)
) * 24 * 60 As Integer)
Difference In Seconds
Select Cast ((
JulianDay(ToDate) - JulianDay(FromDate)
) * 24 * 60 * 60 As Integer)
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Rank function in MySQL
...| 80.000000000 | 5 | 91 |
| 8 | 90 | 5 | 60.000000000 | 6 | 90 |
| 1 | 90 | 5 | 60.000000000 | 7 | 90 |
| 9 | 84 | 7 | 40.000000000 | 8 | 84 |
| 3 | 83 | 8 | 30.000000...
HTML5 Local Storage fallback solutions [closed]
... var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else {
var expires = "";
}
if( this.localStoreSupport() ) {
localStorage.setItem(name, value);...