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Biggest GWT Pitfalls? [closed]
...ome close to matching the 'live' changes you get when you edit things like JSPs or Rails pages and hit refresh in your browser.
Solution: You can give the hosted mode more memory (I generally got for 512M) but it's still slow, I've found once you get good enough with GWT you stop using this. You ma...
TimeSpan ToString format
...t's why you have TotalHours etc in TimeSpan. You probably wanted this Math.Floor(span.TotalHours) + span.ToString("'h 'm'm 's's'")
– Aximili
Apr 5 '13 at 4:13
add a comment
...
What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
...n the "WEB-INF\lib" directory, if you are using Tomcat. Save this as test.jsp and put it in your web directory, and redeploy your web app folder in Tomcat manager:
<%@ page import="java.sql.*" %>
<HTML>
<HEAD>
<TITLE>Simple JSP Oracle Test</TITLE>
</HEAD><BO...
Biggest advantage to using ASP.Net MVC vs web forms
...
If you're working with other developers, such as PHP or JSP (and i'm guessing rails) - you're going to have a much easier time converting or collaborating on pages because you wont have all those 'nasty' ASP.NET events and controls everywhere.
...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...ent space we are. To find this, subtract from K the A generated using the floor of N. In this example, the floor of N is two. So, A = (10)(10^2 – 1)/(10-1) = 110, as is expected when you combine the states of the first two spaces. This needs to be subtracted from K because these first 110 stat...
Switch statement for greater-than/less-than
...E.
It works when you can do a calculation to get an index.
switch (Math.floor(val/1000)) {
case 0: /* do something */ break;
case 1: /* do something */ break;
...
case 29: /* do something */ break;
}
switch-range
This is about 6 to 40 times slower than the fastest in all tested environ...
How can I truncate a datetime in SQL Server?
...datetime is stored and no matter what your locale is.
The fast way:
cast(floor(cast(getdate() as float)) as datetime)
This works because datetime columns are stored as 8-byte binary values. Cast them to float, floor them to remove the fraction, and the time portion of the values are gone when yo...
App Inventor 2 数学积木的9个隐藏用法：随机种子、位运算、取整陷阱，踩中...
...这个差异可能导致结果偏差。需要传统四舍五入时，用 floor(x + 0.5) 来代替。
进阶篇（4-6条）
技巧4：modulo 和 remainder 负数行为不同，别混用
正数时两者结果一样，但碰到负数就分叉了：
• modulo(-11, 5) = 4（结果符号跟...
How do I change Eclipse to use spaces instead of tabs?
...e same instructions for HTML, but select CSS Files instead of HTML Files.
JSP
By default, JSP files follow the formatting preferences for HTML Files.
XML
XML files spacing is configured in Preferences.
Click Window » Preferences
Expand XML » XML Files
Click Editor
Select Indent using spaces
...
App Inventor 2 数学积木完全指南：从加减乘除到位运算，一篇搞定所有计算...
...取整(ceiling)返回 >= 该数的最小整数ceiling(3.01)=4下取整(floor)返回 <= 该数的最大整数floor(3.88)=3
注意 round 的"向偶数取整"规则（Banker's Rounding），这是国际标准 IEEE 754 的做法，不是 Bug！
五、随机数：游戏和模拟的...