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How does Java handle integer underflows and overflows and how would you check for it?
...eld a negative value, so an overflow occurs if arg1 + arg2 > MAX_VALUE. Now the maximum value that could result would be MAX_VALUE + MAX_VALUE (the extreme case both arguments are MAX_VALUE). For a byte (example) that would mean 127 + 127 = 254. Looking at the bit representations of all values th...
How do I encode and decode a base64 string?
... otherwise: the parameter name given in the exception might not be correct if left unchecked.
– tne
Aug 19 '15 at 8:57
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adding multiple entries to a HashMap at once in one statement
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@TimoTürschmann Seems that if I ever needed static initialization of a map like this, that it would also be static, eliminating the every time you use it performance penalty - you'd have that penalty once. I can't see any other time that one would want...
ImageUtil 扩展：图像工具扩展，提供图像处理和变换功能 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
How do I disable the 'Debug / Close Application' dialog on Windows Vista?
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I'm not sure if this refers to exactly the same dialog but here is an alternative approach from Raymond Chen:
DWORD dwMode = SetErrorMode(SEM_NOGPFAULTERRORBOX);
SetErrorMode(dwMode | SEM_NOGPFAULTERRORBOX);
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What is an MvcHtmlString and when should I use it?
...ring and HtmlString? After reading the docs linked above, I still did not know what MvcHtmlString gives me that HtmlString does not.
– flipdoubt
Jan 9 '13 at 13:41
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String.Empty versus “” [duplicate]
How is String.Empty different from "" ?
5 Answers
5
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Is there some way to PUSH data from web server to browser?
...'s called Reverse Ajax or Comet. Comet is basically an umbrella term for different ways of opening long-lived HTTP requests in order to push data in real-time to a web browser. I'd recommend StreamHub Push Server, they have some cool demos and it's much easier to get started with than any of the o...
Import CSV to mysql table
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Do you know if there is a way to set file path to csv file?
– JasonDavis
Dec 23 '15 at 4:03
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C# Events and Thread Safety
...ation you're talking about in the first part, because of the condition. I know this was raised as a spectre a while ago, but it's not valid. (I checked it with either Joe Duffy or Vance Morrison a while ago; I can't remember which.)
Without the volatile modifier it's possible that the local copy ta...