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Archives not showing up in Organizer for Xcode 4
...t use archive. It will show up then.
In the scheme editor, edit the scheme and go to the Archive tab, make sure the check box for show in Organizer is checked.
In the archive tab in the scheme editor check the build configuration used for archiving. Make sure it has the right entitlements file &...
/etc/apt/sources.list" E212: Can't open file for writing
...as sudo vim FILE. Or if you don't want to leave your existing vim session (and now have proper sudo rights), you can issue:
:w !sudo tee % > /dev/null
Which will save the file.
HTH
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Using margin:auto to vertically-align a div
...middle because it's not applicable to block-level elements
margin-top:auto and margin-bottom:auto because their used values would compute as zero
margin-top:-50% because percentage-based margin values are calculated relative to the width of containing block
In fact, the nature of document flow and ...
What browsers support HTML5 WebSocket API?
...fill.
See caniuse for the current status of WebSockets support in desktop and mobile browsers.
See the test reports from the WS testsuite included in Autobahn WebSockets for feature/protocol conformance tests.
Server side
It depends on which language you use.
In Java/Java EE:
Jetty 7.0 supp...
100% Min Height CSS layout
In particular if you have a layout with a header and footer of fixed height ,
13 Answers
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What do the makefile symbols $@ and $< mean?
What do the $@ and $< do exactly?
6 Answers
6
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Is there a good charting library for iPhone? [closed]
I have a need to render and display charts (bar charts for now, but more types may be needed later) in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good, mature charting libraries for iPhone yet. I've also looked for something written for ...
Best way to initialize (empty) array in PHP
...o = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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What does set -e mean in a bash script?
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From help set :
-e Exit immediately if a command exits with a non-zero status.
But it's considered bad practice by some (bash FAQ and irc freenode #bash FAQ authors). It's recommended to use:
trap 'do_something' ERR
to run do_something function when errors occur.
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Most efficient method to groupby on an array of objects
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Here is one that outputs array and not object: groupByArray(xs, key) { return xs.reduce(function (rv, x) { let v = key instanceof Function ? key(x) : x[key]; let el = rv.find((r) => r && r.key === v); ...