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How to Implement Custom Table View Section Headers and Footers with Storyboard
...ewCell does not belong in UITableView header.
– raven_raven
Sep 28 '17 at 11:23
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difference between primary key and unique key
...edited Mar 17 '17 at 9:27
stuart_mad
12511 silver badge1414 bronze badges
answered Jun 26 '12 at 0:14
dhidhi
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...an start here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Same_origin_policy_for_JavaScript.
If this is not intended to be a cross-domain ajax call, try making your target url relative and see if the problem goes away. If you're really desperate look into the JSONP, but beware, mayhem...
How to check if a file is a valid image file?
...rce code seems to verify... nothing! pillow.readthedocs.io/en/latest/_modules/PIL/…
– Massimo
Dec 12 '19 at 21:06
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Android Fragment lifecycle over orientation changes
...ne fragment = new FragmentOne();
fragmentTransaction.add(R.id.fragment_container, fragment);
fragmentTransaction.commit();
} else {
// do nothing - fragment is recreated automatically
}
Be warned though: problems will occur if you try and access Activity Views from inside the ...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...Available overloads are 1, 2 or 3 object parameters, 4 object parameters + __arglist and a params object array version.
– Wormbo
May 30 '12 at 17:20
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How do I return multiple values from a function? [closed]
...ins high (I was wrong in my last comment about "under 1 KB" for the class, _source by itself is typically 1.5 KB; _source is removed in 3.7, so it's likely closer to the original claim of just under 1 KB per class creation).
– ShadowRanger
Apr 20 '18 at 19:31
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Install NPM into home directory with distribution nodejs package (Ubuntu)
... up a package root in my homedir to hold the Node "global" packages:
$ NPM_PACKAGES="$HOME/.npm-packages"
$ mkdir -p "$NPM_PACKAGES"
Set NPM to use this directory for its global package installs:
$ echo "prefix = $NPM_PACKAGES" >> ~/.npmrc
Configure your PATH and MANPATH to see commands i...
NSUserDefaults - How to tell if a key exists
...alue is nil:
if([[NSUserDefaults standardUserDefaults] objectForKey:@"YOUR_KEY"] != nil) {
...
}
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How do I force a DIV block to extend to the bottom of a page even if it has no content?
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This site has some excellent examples:
http://www.brunildo.org/test/html_body_0.html
http://www.brunildo.org/test/html_body_11b.html
http://www.brunildo.org/test/index.html
I also recommend going to http://quirksmode.org/
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