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Pro JavaScript programmer interview questions (with answers) [closed]
What are good questions to determine if applicant is really a pro JavaScript (browser side) developer ?
8 Answers
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Difference between toFixed() and toPrecision()?
...om Mozilla Doc Center for toFixed() and for toPrecision(). Fortunately for all of us, MDC and w3schools agree with each other in this case.
For completeness, I should mention that toFixed() is equivalent to toFixed(0) and toPrecision() just returns the original number with no formatting.
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Select n random rows from SQL Server table
...the key scan of values plus the join cost, which on a large table with a small percentage selection should be reasonable.
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How do I run a spring boot executable jar in a Production environment?
Spring boot's preferred deployment method is via a executable jar file which contains tomcat inside.
9 Answers
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Create a string with n characters
...o the string.
*/
public String spaces( int spaces ) {
return CharBuffer.allocate( spaces ).toString().replace( '\0', ' ' );
}
Invoke using:
System.out.printf( "[%s]%n", spaces( 10 ) );
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Put icon inside input element in a form
How do I put an icon inside a form's input element?
16 Answers
16
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Read stream twice
... I think this is the only valid solution as mark isn't supported for all types.
– Warpzit
Mar 1 '12 at 11:10
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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...弈”，即看跌卖出的空方和看涨买入的多方进行博弈；
C) 股市博弈的本质和下棋很相似，有人说股市如棋，此言甚是；
D) 多空双方在“不同的时间等级上”进行厮杀和纠缠，正如没有两盘完全相同的棋局一样，股市也是一样...
how to get android screen size programmatically, once and for all?
How can I find out my screen size programmatically,
in the units used by touch events
and View measurement/layout?
In other words, I want the coordinates
of the bottom-right corner of the screen,
in the coordinate system used by touch events'
getRawX()/getRawY() and View.getLocationOnScreen() .
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Removing “NUL” characters
...ty102.blogspot.ru/2010/04/findreplace-of-nul-objects-in-notepad.html
Basically you need to replace \x00 characters with regular expressions
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