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Change application's starting activity

...default or the correct one under "Launch:". Not sure why the default was deselected for me, but changing it back worked. – zeh Feb 1 '12 at 1:32  |  ...
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Getting the encoding of a Postgres database

... A programmatic solution: SELECT pg_encoding_to_char(encoding) FROM pg_database WHERE datname = 'yourdb'; share | improve this answer | ...
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Show data on mouseover of circle

...and you don't need the mousehandler. The code would be something like vis.selectAll("circle") .data(datafiltered).enter().append("svg:circle") ... .append("svg:title") .text(function(d) { return d.x; }); If you want fancier tooltips, you could use tipsy for example. See here for an ex...
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Is there a way to get element by XPath using JavaScript in Selenium WebDriver?

... For something like $x from chrome command line api (to select multiple elements) try: var xpath = function(xpathToExecute){ var result = []; var nodesSnapshot = document.evaluate(xpathToExecute, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null ); for ( var i=0 ...
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How do RVM and rbenv actually work?

... practical difference between RVM and rbenv is when the version of Ruby is selected. rbenv: rbenv adds a shim to the start of your path, a command with the same name as Ruby. When you type ruby at a command line the shim is run instead (because it is also called "ruby" and comes first in the path)...
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Is there a predefined enumeration for Month in the .NET library?

...es = DateTimeFormatInfo.CurrentInfo.MonthNames.Take(12).ToList(); var monthSelectList = monthNames.Select( m => new { Id = monthNames.IndexOf(m) + 1, Name = m }); share | improve this answer ...
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XAMPP, Apache - Error: Apache shutdown unexpectedly

...- From the XAMPP Control Panel, under Apache, click the Config button, and select the Apache (httpd.conf). Inside the httpd.conf file, somehow I found a line that says: Listen 80 And change the 80 into any number / port you want. In my scenario I’m using port 8080. Listen 8080 Still from th...
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Why can't I use an alias in a DELETE statement?

... I was mainly just curious, because I normally use aliases when using SELECT and other such statements, so I instinctively did what I'm used to and was wondering why it didn't work properly. – Ricardo Altamirano Jun 12 '12 at 21:38 ...
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What should every developer know about databases? [closed]

...fluence that choice; The concept of coverage (why you shouldn't just write SELECT *); The difference between a clustered and non-clustered index; Why more/bigger indexes are not necessarily better; Why you should try to avoid wrapping filter columns in functions. Designers should also be aware of ...
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How to determine whether code is running in DEBUG / RELEASE build?

...processor Macros' for debug to ensure that DEBUG is being set - do this by selecting the project and clicking on the build settings tab. Search for DEBUG and look to see if indeed DEBUG is being set. Pay attention though. You may see DEBUG changed to another variable name such as DEBUG_MODE. th...