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Less aggressive compilation with CSS3 calc

... Less no longer evaluates expression inside calc by default since v3.00. Original answer (Less v1.x...2.x): Do this: body { width: calc(~"100% - 250px - 1.5em"); } In Less 1.4.0 we will have a strictMaths option which requires all Less calculations to be wit...
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How to hide databases that I am not allowed to access

...irst it helped and then I got access to another DB on the same server. I did all as described and it shoed no DB at all. In 'DB restriction' you type in the name of your databases enclosed in single quotes and separated by commas. E.g. 'db1', 'db2'. ...
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How do I force git to checkout the master branch and remove carriage returns after I've normalized f

... This fails on git 1.8.3 (mac) with: error: pathspec 'HEAD^' did not match any file(s) known to git. – dval Oct 10 '14 at 14:39 ...
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?

..., but it's actually an instance of ActionController::Parameters, which provides several methods such as require and permit. The require method ensures that a specific parameter is present, and if it's not provided, the require method throws an error. It returns an instance of ActionController::Par...
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In Xcode, how to suppress all warnings in specific source files?

...nswered Aug 3 '11 at 5:19 Jon ReidJon Reid 18k22 gold badges5151 silver badges8282 bronze badges ...
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How to iterate through a DataTable

...assumes the connection is open and the command is set up properly. I also didn't check the syntax, but it should give you the idea. share | improve this answer | follow ...
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MySQL Query - Records between Today and Last 30 Days

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Retrieve only static fields declared in Java class

... I stumbled across this question by accident and felt it needed a Java 8 update using streams: public static List<Field> getStatics(Class<?> clazz) { List<Field> result; result = Arrays.stream(clazz.getDeclaredFields()) // f...
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JavaScript - cannot set property of undefined

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Grep regex NOT containing string

... This is going into the middle of a loop as I mentioned and I'm just passing the PATTERN to grep so I can't use "-v" as I mentioned. I'm just looping round a list of PATTERNs and passing to grep. – jwbensley May...