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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...NSPARENT is unnecessary. PorterDuff.Mode.CLEAR is totally enough for a ARGB_8888 bitmap which means setting the alpha and color to [0, 0]. Another way is to use Color.TRANSPARENT with PorterDuff.Mode.SRC.
– jiasli
May 30 '14 at 12:02
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warning: incompatible implicit declaration of built-in function ‘xyz’
...an page says this function is a GNU extension and synopsis shows:
#define _GNU_SOURCE
#include <string.h>
When #define is added to my source before the #include, declarations for the GNU extensions are made visible and warnings disappear.
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Failed to Attach to Process ID Xcode
...for GDB. Type "show warranty" for details. This GDB was configured as "x86_64-apple-darwin".
– iOS_Developer
Sep 22 '12 at 7:04
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Redirect Windows cmd stdout and stderr to a single file
...'re using these to make log files, then unless you're sending the outut to _uniquely_named_ (eg date-and-time-stamped) log files, then if you run the same process twice, the redirected will overwrite (replace) the previous log file.
The >> (for either STDOUT or STDERR) will APPEND not REPLACE...
Using .sort with PyMongo
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If it is only one field, it can be .sort("_id", 1)
– Haris Np
Mar 15 '18 at 11:51
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jquery IDs with spaces
...by any
number of letters, digits ([0-9]),
hyphens ("-"), underscores ("_"),
colons (":"), and periods (".").
But if you don't care about standards try $("[id='content Module']")
Similar thread > What are valid values for the id attribute in HTML?
Edit: How id differs in between HTML 4.0...
Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
...working for me. Still fails with clang: error: unknown argument: '-multiply_definedsuppress' [-Wunused-command-line-argument-hard-error-in-future] Any ideas?
– rauberdaniel
Mar 24 '14 at 12:48
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
...
The solution is pretty easy; Add the library path in your ~/.bash_profile or ~/.profile file:
MYSQL=/usr/local/mysql/bin
export PATH=$PATH:$MYSQL
export DYLD_LIBRARY_PATH=/usr/local/mysql/lib:$DYLD_LIBRARY_PATH
If it is still not working (this work for me):
sudo ln -s /usr/local/mysql/...
How do I create a unique ID in Java? [duplicate]
...,'L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
'-','.','_','~'
};
}
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Python ValueError: too many values to unpack [duplicate]
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for k, m in self.materials.items():
example:
miles_dict = {'Monday':1, 'Tuesday':2.3, 'Wednesday':3.5, 'Thursday':0.9}
for k, v in miles_dict.items():
print("%s: %s" % (k, v))
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