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Most lightweight way to create a random string and a random hexadecimal number
...d t2 as above:
>>> t1 = timeit.Timer("''.join(random.choice('0123456789abcdef') for n in xrange(30))", "import random")
>>> t2 = timeit.Timer("binascii.b2a_hex(os.urandom(15))", "import os, binascii")
>>> t3 = timeit.Timer("'%030x' % random.randrange(16**30)", "import ran...
How to list the contents of a package using YUM?
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There is a package called yum-utils that builds on YUM and contains a tool called repoquery th...
PDO mysql: How to know if insert was successful
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PDOStatement->execute() returns true on success. There is also PDOStatement->errorCode() ...
Codesign error: Provisioning profile cannot be found after deleting expired profile
...to the provisioning profiles will look like this:
PROVISIONING_PROFILE = "487F3EAC-05FB-4A2A-9EA0-31F1F35760EB";
"PROVISIONING_PROFILE[sdk=iphoneos*]" = "487F3EAC-05FB-4A2A-9EA0-31F1F35760EB";
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How to add a jar in External Libraries in android studio
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Can I get JSON to load into an OrderedDict?
... object_pairs_hook=OrderedDict)
>>> print json.dumps(data, indent=4)
{
"foo": 1,
"bar": 2
}
>>>
Using json.load is done in the same way:
>>> data = json.load(open('config.json'), object_pairs_hook=OrderedDict)
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Using backticks around field names
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edited Jan 7 '15 at 18:42
John Topley
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an...
pull out p-values and r-squared from a linear regression
...value for coefficients can be extracted using:
summary(fit)$coefficients[,4]
Alternatively, you can grab the p-value of coefficients from the anova(fit) object in a similar fashion to the summary object above.
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Implementing INotifyPropertyChanged - does a better way exist?
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