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Can't find the PostgreSQL client library (libpq)
I'm trying to install PostgreSQL for Rails on Mac OS X 10.6. First I tried the MacPorts install but that didn't go well so I did the one-click DMG install. That seemed to work.
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live output from subprocess command
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Executive Summary (or "tl;dr" version): it's easy when there's at most one subprocess.PIPE, otherwise it's hard.
It may be time to explain a bit about how subprocess.Popen does its thing.
(Caveat: this is for Python 2.x, although 3.x is similar; and I'm quite fuzzy on the Windows variant. ...
Find where python is installed (if it isn't default dir)
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In unix (mac os X included) terminal you can do
which python
and it will tell you.
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Programmatically Determine a Duration of a Locked Workstation?
...ously your application will need to be running, but so long as it is:
Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch);
void SystemEvents_SessionSwitch(object sender, Microsoft.Win32.SessionSwitchEventArgs e)
{
if (e.Reason...
How to remove line breaks from a file in Java?
... a string in Java in such a way that will work on Windows and Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
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How to input a regex in string.replace?
...erally «\/{0,}»
# Between zero and unlimited times, as many times as possible, giving back as needed (greedy) «{0,}»
# Match the character “[” literally «\[»
# Match a single digit 0..9 «\d+»
# Between one and unlimited times, as many times as possible, giving back as needed (greed...
Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
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The good news is, as an example of Microsoft engineering genius, this is pretty much self-documenting.
– Spike0xff
Dec 21 '12 at 20:08
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List files with certain extensions with ls and grep
...itch to prevent that directories are recursed.
– Carlos Eugenio Thompson Pinzón
Oct 5 '13 at 16:50
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Android 4.3 Bluetooth Low Energy unstable
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Important implementation hints
(Perhaps some of those hints aren't necessary anymore due to Android OS updates.)
Some devices like Nexus 4 with Android 4.3 take 45+ seconds to connect using an existing gatt instance. Work around: Always close gatt instances on disconnect a...
NSDefaultRunLoopMode vs NSRunLoopCommonModes
...gets halted as soon as I touch iPhone screen. Thankfully, an awesome blog post by Jörn suggests an alternative option, using NSRunLoopCommonModes for connection.
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