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How to include JavaScript file or library in Chrome console?
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HarmenHarmen
20.4k33 gold badges5151 silver badges7373 bronze badges
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GetType() can lie?
...dFoo foo = new BadFoo();
Console.WriteLine("n1 and n2 are the same type: {0}",
Object.ReferenceEquals(n1.GetType(), foo.GetType()));
// output:
// n1 and n2 are the same type: True
so, yikes, you've successfully lied, right?
Well, yes and no... Consider that using this as an e...
Add disabled attribute to input element using Javascript
...t").attr("disabled", true); as of... I don't know any more.
It's December 2013 and I really have no idea what to tell you.
First it was always .attr(), then it was always .prop(), so I came back here updated the answer and made it more accurate.
Then a year later jQuery changed their minds again and...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...这样构造我们的CAtlRegExp类：
CAtlRegExp <> re;
re.Parse( "{[0-9]?[0-9]}:{[0-9][0-9]}" );
ATL的正则表达式语法和Perl的正则表达式语法大同小异，不过有一个值得注意的地方就 是ATL中用大括号（{ }）表示其匹配字符串中的Group，我们上...
What is this operator in MySQL?
...e the regular = operator, two values are compared and the result is either 0 (not equal) or 1 (equal); in other words: 'a' <=> 'b' yields 0 and 'a' <=> 'a' yields 1.
Unlike the regular = operator, values of NULL don't have a special meaning and so it never yields NULL as a possible outco...
what does the __file__ variable mean/do?
...amples return name '__file__' is not defined.
– user1063287
Nov 25 '14 at 22:51
10
@user1063287 L...
How to resize superview to fit all subviews with autolayout?
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150
The correct API to use is UIView systemLayoutSizeFittingSize:, passing either UILayoutFittingCom...
Git command to display HEAD commit id?
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Jorge Ferreira
85.8k2323 gold badges107107 silver badges129129 bronze badges
answered Dec 28 '09 at 4:44
Randal SchwartzRandal Schwartz
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Spark java.lang.OutOfMemoryError: Java heap space
...uge amounts of data you may need way more than 4 per CPU, I've had to use 8000 partitions in some cases!
Decrease the fraction of memory reserved for caching, using spark.storage.memoryFraction. If you don't use cache() or persist in your code, this might as well be 0. It's default is 0.6, which me...
avoid page break inside row of table
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answered Aug 8 '12 at 23:00
Troy AlfordTroy Alford
24.5k88 gold badges5858 silver badges7777 bronze badges
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