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Should I use multiplication or division?
...gh"--Note which user requirement/story requires that metric.
Write a speed test
Test existing code--If it's fast enough, you're done.
Recode it optimized
Test optimized code. IF it doesn't meet the metric, throw it away and keep the original.
If it meets the test, keep the original code in as comme...
memcpy() vs memmove()
...ve implementations shown here. memcpy just loops, while memmove performs a test to determine which direction to loop in to avoid corrupting the data. These implementations are rather simple. Most high-performance implementations are more complicated (involving copying word-size blocks at a time rath...
Is Task.Result the same as .GetAwaiter.GetResult()?
...
@JayBazuzi Not if your unit testing framework supports async unit tests, which I think newest versions of most frameworks do.
– svick
Jun 24 '13 at 20:52
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Why is good UI design so hard for some Developers? [closed]
...way to explore design options and find the right design, whereas usability testing is about getting the design right. Paper prototyping is fast, cheap, and effective during the early design stages. Much faster than coding a digital prototype. The key text here is Sketching User Experience: Getting t...
Get list of passed arguments in Windows batch script (.bat)
...Label+xyz
exit /b
:MYlabel
echo func %0, %~0, %~f0
exit /b
Output
main test.bat, test.bat, C:\temp\test.bat
func :myLabel+xyz, :myLabel+xyz, C:\temp\test.bat
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Disable developer mode extensions pop up in Chrome
Since the latest release of chrome (34.0.1847.116) last week, I have been receiving the “Disable developer mode extensions" when running automated tests using watir-webdriver.
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MySQL JOIN the most recent row only?
...'
LIMIT 10, 20;
Note that a JOIN is just a synonym for INNER JOIN.
Test case:
CREATE TABLE customer (customer_id int);
CREATE TABLE customer_data (
id int,
customer_id int,
title varchar(10),
forename varchar(10),
surname varchar(10)
);
INSERT INTO customer VALUES (1);
INS...
Find object by id in an array of JavaScript objects
...irst value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned.
If you want to find its index instead, use findIndex():
myArray.findIndex(x => x.id === '45');
From MDN:
The findIndex() method returns the index of the first e...
创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...库C上新建这个物化视图却失败，说：“ORA-12014: 表 'T_MV_TEST' 不包含主键约束条件”。如果将此表的主键增加字段并ENABLE后操作，又说：“ORA-23412: 主表的主键列已更改”。
但有一个奇怪的现象：在数据库B上我们也建立过物化视...
With CSS, use “…” for overflowed block of multi-lines
...tml
http://github.com/tbasse/jquery-truncate
There also some preformance tests.
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