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C++ equivalent of StringBuffer/StringBuilder?
...f after profiling your code you discover this makes an improvement.
I normally use either std::string or std::stringstream. I have never had any problems with these. I would normally reserve some room first if I know the rough size of the string in advance.
I have seen other people make their ow...
How to randomize (shuffle) a JavaScript array?
... is superfluous since if i == 0 the while loop will never be entered. The call to Math.floor can be done faster using ...| 0. Either tempi or tempj can be removed and the value be directly assigned to myArray[i] or j as appropriate.
– RobG
Jun 8 '11 at 7:21
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ANTLR: Is there a simple example?
...r, and evaluator using ANTLR4.
You first create a grammar. Below is a small grammar that you can use to evaluate expressions that are built using the 4 basic math operators: +, -, * and /. You can also group expressions using parenthesis.
Note that this grammar is just a very basic one: it does ...
Hiding textarea resize handle in Safari
...g textarea components in my application, and I control their height dynamically. As the user types, the height is increased whenever there is enough text. This works fine on IE, Firefox, and Safari.
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How to completely remove node.js from Windows
I uninstalled my previous version of node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js website and installed it. However, after running node --version , it still indicates that I'm running v0.8.11. Obviously, some stuff was left behind during the uninstall process, and it's causi...
How to get value of selected radio button?
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@mzalazar No, every radio-button has its own ID but all have the same name which is what puts them into one group so if you select one the other one gets deselected. With Kamran Ahmed answer you can check which of the radio buttons in the group is selected and get only the val...
jQuery UI Tabs - How to Get Currently Selected Tab Index
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Looks like this actually gives the default tab, not the currently selected tab. What am I missing? 42 votes can't be wrong, can they? jqueryui.com/demos/tabs/#option-selected
– Patrick Szalapski
Dec 9 '1...
Making code internal but available for unit testing from other projects
We put all of our unit tests in their own projects. We find that we have to make certain classes public instead of internal just for the unit tests. Is there anyway to avoid having to do this. What are the memory implication by making classes public instead of sealed?
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“git rm --cached x” vs “git reset head -- x”?
...wing:
--soft
Does not touch the index file nor the working tree at all (but resets
the head to <commit>, just like all modes do). This leaves all your
changed files "Changes to be committed", as git status would put it.
--mixed
Resets the index but not the working tree...
How can I brew link a specific version?
...n>
Example:
brew switch mysql 5.5.29
You can find the versions installed on your system with info.
brew info mysql
And to see the available versions to install, you can provide a dud version number, as brew will helpfully respond with the available version numbers:
brew switch mysql 0
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