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How do I launch the Android emulator from the command line?
... ERROR:./android/qt/qt_setup.cpp:28:Qt library not found at ../emulator/lib64/qt/lib, starting emulator from $ANDROID_HOME/tools is a workaround. github.com/decosoftware/deco-ide/issues/289
– tebanep
Jul 13 '17 at 18:35
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Maximum and Minimum values for ints
...ry, but it isn't. 9223372036854775807 is exactly 2^63 - 1, so you've got a 64-bit int. In general, an n-bit integer has values ranging from -2^(n-1) to 2^(n-1) - 1.
– NullUserException
Sep 30 '11 at 1:18
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How to have Android Service communicate with Activity
... I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service.
...
How can I produce an effect similar to the iOS 7 blur view?
...(UIImage*)getBlurredImage {
// You will want to calculate this in code based on the view you will be presenting.
CGSize size = CGSizeMake(200,200);
UIGraphicsBeginImageContext(size);
[view drawViewHierarchyInRect:(CGRect){CGPointZero, w, h} afterScreenUpdates:YES]; // view is the vi...
Does a favicon have to be 32x32 or 16x16?
...
philippe_bphilippe_b
31.7k66 gold badges4646 silver badges4242 bronze badges
1
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Removing Java 8 JDK from Mac
...n
Other answers were missing tons of stuff. This answer covers a lot more bases.
Good bye, shovelware.
sudo rm -rf /Library/PreferencePanes/JavaControlPanel.prefPane
sudo rm -rf /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin
sudo rm -rf /Library/LaunchAgents/com.oracle.java.Java-Updater.plis...
Mercurial error: abort no username supplied
... No Mercurial.ini file in my install directory either (Win 7 64-bit). I created Mercurial.ini on C:\Users\Abbas and copy-pasted Kevin's [ui] snippet and it worked like a charm. Tried Phil's solution and it worked too.
– Abbas
Dec 24 '10 at 17:39
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Postgresql 9.2 pg_dump version mismatch
I am trying to dump a Postgresql database using the pg_dump tool.
26 Answers
26
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What is the difference between parseInt() and Number()?
...ling characters that don't correspond with any digit of the currently used base.
The Number constructor doesn't detect octals:
Number("010"); // 10
parseInt("010"); // 8, implicit octal
parseInt("010", 10); // 10, decimal radix used
But it can handle numbers in hexadecimal notation,...
Replace non-ASCII characters with a single space
...
PythonWin 3.3.0 (v3.3.0:bd8afb90ebf2, Sep 29 2012, 10:57:17) [MSC v.1600 64 bit (AMD64)] on win32.
>>> s='ABC马克def'
>>> import re
>>> re.sub(r'[^\x00-\x7f]',r' ',s) # Each char is a Unicode codepoint.
'ABC def'
>>> b = s.encode('utf8')
>>> re.sub...