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How to empty/destroy a session in rails?
I can't seem to find it anywhere... How do I delete/destroy/reset/empty/clear a user's session in Rails? Not just one value but the whole thing..
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How to do a join in linq to sql with method syntax?
... SomeOtherClass = soc
});
As you can see, when it comes to joins, query syntax is usually much more readable than lambda syntax.
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Remove scroll bar track from ScrollView in Android
My Android app has a main WebView (HTML loaded from a local resource) which I want to use the entire width of the screen and be able to make (vertically) scrollable. So I've wrapped the WebView in a ScrollView in my layout XML, but no matter what I do I can't seem to be able to remove the scroll bar...
Crontab Day of the Week syntax
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0 and 7 both stand for Sunday, you can use the one you want, so writing 0-6 or 1-7 has the same result.
Also, as suggested by @Henrik, it is possible to replace numbers by shortened name of days, such as MON, THU, etc:
0 - Sun Sunday
1 - Mon Monday...
Ruby regular expression using variable name
...var}/, 'foo' ) # => "a test foo"
Things get more interesting if var can contain regular expression meta-characters. If it does and you want those matacharacters to do what they usually do in a regular expression, then the same gsub will work:
var = "Value|a|test"
str = "a test Value"
str.gs...
How do I convert a byte array to Base64 in Java?
...ata = Base64.decode(base64str); is enough.
– Ernesto Campohermoso
Nov 8 '13 at 15:25
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Should I use document.createDocumentFragment or document.createElement
...is that all the child nodes of the document fragment are inserted at the location in the DOM where you insert the document fragment and the document fragment itself is not inserted. The fragment itself continues to exist but now has no children.
This allows you to insert multiple nodes into the DOM...
Calculating how many minutes there are between two times
I have a datagridview in my application which holds start and finish times. I want to calculate the number of minutes between these two times. So far I have got:
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In Sublime Text 2, how do I open new files in a new tab?
... drop. Search tour file in the menu, then just double click it.
This will cause it to display in a tab.
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How to select Python version in PyCharm?
...nswered Apr 25 '12 at 19:29
lukecampbelllukecampbell
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