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How do I vertically center text with CSS? [duplicate]

...ng piece of CSS code: display: table-cell; vertical-align: middle; That means your CSS finally looks like: #box { height: 90px; width: 270px; background: #000; font-size: 48px; font-style: oblique; color: #FFF; text-align: center; margin-top: 20px; margin-left: 5px...
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How to succinctly write a formula with many variables from a data frame?

... There is a special identifier that one can use in a formula to mean all the variables, it is the . identifier. y <- c(1,4,6) d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2)) mod <- lm(y ~ ., data = d) You can also do things like this, to use all variable...
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How to call a method defined in an AngularJS directive?

...er, I would recommend sharing a controller between those directives as the means of communication. AngularJS's Wiki for Best Practices also mentions this: Only use .$broadcast(), .$emit() and .$on() for atomic events Events that are relevant globally across the entire app (such as a user auth...
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What does %~d0 mean in a Windows batch file?

...rtcuts that you can use which are given below. In your command, ~d0 would mean the drive letter of the 0th argument. ~ expands the given variable d gets the drive letter only 0 is the argument you are referencing As the 0th argument is the script path, it gets the drive letter of the path for y...
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Laravel Migration Change to Make a Column Nullable

I created a migration with unsigned user_id . How can I edit user_id in a new migration to also make it nullable() ? 9 ...
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Timeout command on Mac OS X?

... what you want. The result is that the command will run exactly 5 seconds. Meaning, if you want it to be a max time but not also the min this is not what you are looking for – gesell Feb 24 '15 at 15:34 ...
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Concatenate two string literals

...o do is add two const char*s together, which isn't possible (what would it mean to add two pointers together?) and if it was it wouldn't do what you wanted it to do. Note that you can concatenate string literals by placing them next to each other; for example, the following two are equivalent: ...
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How to exclude this / current / dot folder from find “type d”

... Note: "ignoring first-level dotfiles" also means excluding all hidden files / directories. – Jonathan H Feb 21 '18 at 15:55 add a comment ...
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How to get RelativeLayout working with merge and include?

...oogle.com/issues/36908001 To fix it, make sure you overwrite BOTH layout_width and layout_height when including, otherwise everything will be ignored. share | improve this answer | ...
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How to extract epoch from LocalDate and LocalDateTime?

... using ZoneId, or use with a customized, constant ZoneId instance (of +0 , meaning GMT) ? I ask this because I want all calculations be normalized to it. Also, how do I do the opposite: convert from epoch time to LocalDate/LocalDateTime (also without ZoneId, or with the GMT one) ? ...