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How do I make an HTML text box show a hint when empty?
...it's supported by all current browsers except IE8.
– JSP64
Jun 9 '15 at 1:37
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Get the first element of each tuple in a list in Python [duplicate]
...-order functions such as map, go to http://www.artima.com/weblogs/viewpost.jsp?thread=98196.
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How do I change the background color with JavaScript?
... setInterval(function() {
var bodybgarrayno = Math.floor(Math.random() * colors.length);
var selectedcolor = colors[bodybgarrayno];
$("body").css("background",selectedcolor);
}, 3000);
})
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How to calculate the bounding box for a given lat/lng location?
...es + primes/60.0 + seconds/3600.0
def deg2dps(degrees):
intdeg = math.floor(degrees)
primes = (degrees - intdeg)*60.0
intpri = math.floor(primes)
seconds = (primes - intpri)*60.0
intsec = round(seconds)
return (int(intdeg), int(intpri), int(intsec))
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How to use FormData for AJAX file upload?
...ress = function (e) {
console.log(Math.floor(e.loaded / e.total * 100) + '%');
};
return xhr;
},
contentType: false,
...
Importing Maven project into Eclipse
... have a simple project; but in case of a web-based project such as servlet/jsp you need to manually add Java EE features to eclipse (WTP).
To make the project runnable via eclipse servers portion, Configure Apache for Eclipse: Download and unzip Apache Tomcat somewhere. In Eclipse Windows -> Pr...
Android selector & text color
... handling things with listeners to change text color all this time. Jaw on floor. Brilliant!
– Artem Russakovskii
Apr 7 '11 at 1:32
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Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...合中文排版的纯Html、CSS技术。
2、接口简单，适合PHP、JSP、ASP.net等所有的对接，省心省力。
3、费用低廉，节省投入。
4、不用关心客户端是否安装了Office软件，不用在客户端部署。
5、手机在线预览2页Word文档只有3K大小，且...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...自然对数
@sign(x) 如果x<0返回-1；否则，返回1
@floor(x) 返回x的整数部分。当x>=0时，返回不超过x的最大整数；当x<0时，返回不低于x的最大整数。
@smax(x1,x2,…,xn) 返回x1，x2，…，xn中的最大值
@smin(x1,x2,…,xn) 返...
Python element-wise tuple operations like sum
... Except that map() is semi-deprecated. See artima.com/weblogs/viewpost.jsp?thread=98196 for an article by Guido where it mentions how map is better written as a list comprehension.
– Adam Parkin
Feb 13 '12 at 21:07
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