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AngularJS and its use of Dollar Variables
Does anyone know if the reasoning behind the use of dollar methods and variables in angularJS is to instruct angularJS to avoid checking those values when a digestion is going on? So, if angular comes across $scope.$value and $scope.value , then it will avoid checking the former since it's prefix...
How to debug a maven goal with intellij idea?
...n you debug a maven goal with Intellij IDEA? I know that I can right-click and run Debug . However, the maven plugin does not appear in my External Libraries list, so I can not go into the code and set a breakpoint. Thus, Debug runs through the goals without stopping, like Run does.
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Disable EditText blinking cursor
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You can use either the xml attribute android:cursorVisible="false" or the java function setCursorVisible(false).
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What is fastest children() or find() in jQuery?
...f performance is truly an issue, then experiment to find the best solution and use that (or see some of the benchmarks in the other answers here).
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Limiting floats to two decimal points
...ing point numbers that not all numbers can be represented exactly. The command line is just showing you the full floating point form from memory.
With floating point representation, your rounded version is the same number. Since computers are binary, they store floating point numbers as an integer ...
How do I round to the nearest 0.5?
I have to display ratings and for that i need increments as follows:
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String.replaceAll single backslashes with double backslashes
...ument as a regular expression. The \ is an escape character in both String and regex. You need to double-escape it for regex:
string.replaceAll("\\\\", "\\\\\\\\");
But you don't necessarily need regex for this, simply because you want an exact character-by-character replacement and you don't nee...
Add timestamps to an existing table
...pecified above, Rails will still treat these columns as timestamp columns, and update the values normally.
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Remove columns from dataframe where ALL values are NA
I'm having trouble with a data frame and couldn't really resolve that issue myself:
The dataframe has arbitrary properties as columns and each row represents one data set .
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Why is AJAX returning HTTP status code 0?
...with my dashcode developed application) the browser just stops uploading and returns status codes of 0 . Why does this happen?
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