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:first-child not working as expected

...1:first-child selector means Select the first child of its parent if and only if it's an h1 element. The :first-child of the container here is the ul, and as such cannot satisfy h1:first-child. There is CSS3's :first-of-type for your case: .detail_container h1:first-of-type { color: bl...
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In Python how should I test if a variable is None, True or False

... Don't fear the Exception! Having your program just log and continue is as easy as: try: result = simulate(open("myfile")) except SimulationException as sim_exc: print "error parsing stream", sim_exc else: if result: print "result pass" else: print...
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How do I get the value of text input field using JavaScript?

...e, document.getElementById("searchTxt").value;   Note: Method 2,3,4 and 6 returns a collection of elements, so use [whole_number] to get the desired occurrence. For the first element, use [0], for the second one use 1, and so on... Method 2: Use document.getElementsByClassName('clas...
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What is InputStream & Output Stream? Why and when do we use them?

Someone explain to me what InputStream and OutputStream are? 8 Answers 8 ...
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How can I clear the SQL Server query cache?

... is conducted in SQL Server the best approach may be to issue a CHECKPOINT and then issue the DBCC DROPCLEANBUFFERS command. Although the CHECKPOINT process is an automatic internal system process in SQL Server and occurs on a regular basis, it is important to issue this command to write all of the...
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Where is logback encoder pattern documentation

I've gone through all the documentation of logback and I can't find anywhere the documentation to configure the encoder's pattern when logging, such as: ...
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Run an Application in GDB Until an Exception Occurs

I'm working on a multithreaded application, and I want to debug it using GDB. 4 Answers ...
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SPA best practices for authentication and session management

..., etc. what do people believe to be some best practices for authentication and session management? I can think of a couple of ways of considering approaching the problem. ...
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How to get “their” changes in the middle of conflicting Git rebase?

...e master while on branch feature_x), during rebasing ours refers to master and theirs to feature_x. As pointed out in the git-rebase docs: Note that a rebase merge works by replaying each commit from the working branch on top of the branch. Because of this, when a merge conflict happens, t...
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PHP: How to remove all non printable characters in a string?

I imagine I need to remove chars 0-31 and 127, 17 Answers 17 ...