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What's the right way to pass form element state to sibling/parent elements?

...ContextContainer = React.createContext(null); const initialAppState = { selected: "Nothing" }; function App() { // The app has a state variable and update handler const [appState, updateAppState] = useState(initialAppState); return ( <div> <h1>Passing state between c...
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Twitter bootstrap scrollable table

...able; table-layout: fixed; } table{ height:300px; // <-- Select the height of the table display: -moz-groupbox; // Firefox Bad Effect } tbody{ overflow-y: scroll; height: 200px; // <-- Select the height of the body width: 100%; position: absolute; }...
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Commands out of sync; you can't run this command now

... where is it easily displayed. Thanks. I just seperate my queries with $select_stmt->close(); to split them (not simultaneous but procedural – n34_panda Jun 7 '14 at 11:13 ...
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Increasing (or decreasing) the memory available to R processes

...program icon (the icon on your desktop or in your programs directory). Select ``Properties'', and then select the ``Shortcut'' tab. Look for the ``Target'' field and after the closing quotes around the location of the R executible, add --max-mem-size=500M as shown in the fig...
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How do you roll back (reset) a Git repository to a particular commit? [duplicate]

...u can also use gitk. Right click on the commit you want to return to and select "Reset master branch to here". Then choose hard from the next menu. share | improve this answer | ...
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Should a .sln be committed to source control?

... each developer check out a subset of the source tree to work on simply by selecting the relevant projects from the repository. The plugin then generates a solution file and modifies project files on the fly for the given solution. It also handles references. In other words, all the developer has to...
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How to use a switch case 'or' in PHP

...le switch(), and when I'm working in a C-ish language I really miss having Select Case, which is really a shorthand way of saying "there's a big block of if, else if, else-if... here". – Stan Rogers Oct 9 '10 at 7:50 ...
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PHP array delete by value (not key)

... Yes, this is effective for selecting multiple array items/keys. – Oki Erie Rinaldi Aug 28 '14 at 4:52 3 ...
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In PHP, how do you change the key of an array element?

...y, you can change the key directly from the mysql statement: instead of "select ´id´ from ´tablename´..." use something like: "select ´id´ **as NEWNAME** from ´tablename´..." share | i...
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How can I find an element by CSS class with XPath?

... This selector should work but will be more efficient if you replace it with your suited markup: //*[contains(@class, 'Test')] Or, since we know the sought element is a div: //div[contains(@class, 'Test')] But since this will...