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Make Iframe to fit 100% of container's remaining height

... Update in 2019 TL;DR: Today the best option is the last one in this answer - flexbox. Everything supports it nicely and has for years. Go for that and don't look back. The rest of this answer is left for historical reasons. The tric...
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CSS horizontal centering of a fixed div?

... left: 50%; margin-left: -400px; /* Half of the width */ share | improve this answer | follow ...
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typecast string to integer - Postgres

...lesced field such as, for example:- SELECT CAST(coalesce(<column>, '0') AS integer) as new_field from <table> where CAST(coalesce(<column>, '0') AS integer) >= 10; share | im...
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Install a Windows service using a Windows command prompt?

...in your .net folder (for .net 4 it's C:\Windows\Microsoft.NET\Framework\v4.0.30319 for example) and use it to install your service, like this: "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" "c:\myservice.exe" ...
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How to prevent Browser cache for php site

...;?php header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); ?> share | improve this ans...
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What's the difference between echo, print, and print_r in PHP?

...s you have in your variables. Consider this test program: $values = array(0, 0.0, false, ''); var_dump($values); print_r ($values); With print_r you can't tell the difference between 0 and 0.0, or false and '': array(4) { [0]=> int(0) [1]=> float(0) [2]=> bool(false) [3]=...
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Scrolling child div scrolls the window, how do I stop that?

... TeemuTeemu 20.2k66 gold badges4444 silver badges8888 bronze badges ...
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When should Flask.g be used?

...w that g will move from the request context to the app context in Flask 0.10, which made me confused about the intended use of g . ...
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How to add an empty column to a dataframe?

...t; df = pd.DataFrame({"A": [1,2,3], "B": [2,3,4]}) >>> df A B 0 1 2 1 2 3 2 3 4 >>> df["C"] = "" >>> df["D"] = np.nan >>> df A B C D 0 1 2 NaN 1 2 3 NaN 2 3 4 NaN ...
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What does “Auto packing the repository for optimum performance” mean?

...s git gc --auto. If there are enough loose objects (by default, at least 6700), it will then invoke git repack -d -l to pack them. If there are too many separate packs, it will also repack them into one. A pack is a delta-compressed single file, containing a large number of objects. It's more effic...