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Margin on child element moves parent element

...rent { overflow: hidden; } This prevents the margins to collapse. Border and padding do the same. Hence, you can also use the following to prevent a top-margin collapse: .parent { padding-top: 1px; margin-top: -1px; } Update by popular request: The whole point of collapsing margins is...
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Access object child properties using a dot notation string [duplicate]

... answered Nov 8 '11 at 14:39 Andy EAndy E 300k7575 gold badges456456 silver badges436436 bronze badges ...
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Insert HTML with React Variable Statements (JSX)

... Make sure you pass a method to the dangerouslySetInnerHTML and not a hash. According to the docs, it's dangerous to just pass a hash. Reference: facebook.github.io/react/tips/dangerously-set-inner-html.html – criticerz Jun 9 '16 at 14:55 ...
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How can I find which tables reference a given table in Oracle SQL Developer?

...on a table, I can view the constraints, which let me see the foreign keys (and thus which tables are referenced by this table), and I can view the dependencies to see what packages and such reference the table. But I'm not sure how to find which tables reference the table. ...
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File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?

...idden by calls to System.setProperty(String key, String value) or with command line parameters -Dfile.separator=/ File.separator gets the separator for the default filesystem. FileSystems.getDefault() gets you the default filesystem. FileSystem.getSeparator() gets you the separator character for ...
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How to reverse apply a stash?

...esented as a commit whose tree records the state of the working directory, and its first parent is the commit at HEAD when the stash was created," and git stash show -p gives us "the changes recorded in the stash as a diff between the stashed state and its original parent. To keep your other change...
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SQL Server Script to create a new user

...I think that you may be a bit confused about the difference between a User and a Login. A Login is an account on the SQL Server as a whole - someone who is able to log in to the server and who has a password. A User is a Login with access to a specific database. Creating a Login is easy and must ...
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How do you validate a URL with a regular expression in Python?

I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days. ...
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What is the difference between Cloud, Grid and Cluster? [closed]

What is the difference between Cloud, Cluster and Grid? Please give some examples of each as the definition of cloud is very broad. As answered in another question , can I call Dropbox, Gmail, Facebook, Youtube, Rapidshare etc. a Cloud? ...
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Function to return only alpha-numeric characters from string?

I'm looking for a php function that will take an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric. ...