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HTML5: number input type that takes only integers?
...ields are signed floating-point numbers (for unsigned ints you'll have to fall back to "pattern" validation and thus lose extra features like the up and down arrows for browsers that support it). Is there another input type or perhaps an attribute that would restrict the input to just unsigned integ...
Java: notify() vs. notifyAll() all over again
If one Googles for "difference between notify() and notifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() .
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How to use sessions in an ASP.NET MVC 4 application?
...pe in a session. Once created you can access the value stored to it across all views and controllers. Take note also that session created is only accessible per user and per browser. Meaning the session created by User1 using Firefox cannot be accessed by the same user using IE. There are things als...
How to increase the Java stack size?
I asked this question to get to know how to increase the runtime call stack size in the JVM. I've got an answer to this, and I've also got many useful answers and comments relevant to how Java handles the situation where a large runtime stack is needed. I've extended my question with the summary of ...
SQL Server Profiler - How to filter trace to only display events from one database?
...ecific database? I can't see how to filter the trace to not see events for all databases on the instance I connect to.
5 An...
How to add a vertical Separator?
...tretch" Width="1" Margin="2" Stroke="Black" />
<Button>Filter all</Button>
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Remove border from IFrame
...ersson caniuse.com/#feat=iframe-seamless states that it isn't supported at all.
– Tim Büthe
Jun 19 '15 at 11:19
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How do you add CSS with Javascript?
...sheet.insertRule('strong { color: red; }', sheet.cssRules.length);
...on all but (naturally) IE8 and prior, which uses its own marginally-different wording:
sheet.addRule('strong', 'color: red;', -1);
There is a theoretical advantage in this compared to the createElement-set-innerHTML method, i...
How to map atan2() to degrees 0-360
...swered Aug 21 '09 at 10:20
erikkallenerikkallen
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Drop columns whose name contains a specific string from pandas DataFrame
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I really wonder what the comments saying this answer is "elegant" means. I myself find it quite obfuscated, when python code should first be readable. It also is twice as slower than the first answer. And it uses the regex keywor...