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How to read if a checkbox is checked in PHP?
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this is the really good form to do this in pure simple php. but have to note that the value of a checkbox is string on when it is activated an a inexisting value if it is checked.
– Elvis Technologies
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Changing the interval of SetInterval while it's running
... only gives 9 hi's :) --t should probably be t-- jsfiddle.net/albertjan/by5fd
– albertjan
Jul 13 '12 at 12:34
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ValueError: setting an array element with a sequence
...uple into a numpy
#array element
def foo():
return 3
numpy.array([2, foo()]) #good
def foo():
return [3,4]
numpy.array([2, foo()]) #Fail, can't convert a list into a numpy
#array element
2. B...
Pass ruby script file to rails console
Is there a way to pass ruby file, foo.rb to rails console. Expected results would be after console starts rails environment to run file.
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Android: Test Push Notification online (Google Cloud Messaging) [closed]
... 0,
"results": [
{
"message_id": "0:1432811719975865%54f79db3f9fd7ecd"
}
]
}
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PHP Fatal error: Cannot redeclare class
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It means you've already created a class.
For instance:
class Foo {}
// some code here
class Foo {}
That second Foo would throw the error.
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One-liner to recursively list directories in Ruby?
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Dir.glob("**/*/") # for directories
Dir.glob("**/*") # for all files
Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array).
Ruby Glob Docs
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Elegant Python function to convert CamelCase to snake_case?
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name = pattern.sub('_', name).lower()
To handle more advanced cases specially (this is not reversible anymore):
def camel_to_snake(name):
name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower()
print(camel_to_snake('camel2_camel2_case')) #...
Should a return statement be inside or outside a lock?
...d then returning it (outside the lock), then I'd say that a simple "return foo" inside the lock is a lot simpler.
To show the difference in IL, lets code:
static class Program
{
static void Main() { }
static readonly object sync = new object();
static int GetValue() { return 5; }
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Selecting multiple columns in a pandas dataframe
...).
df1 = df[['a', 'b']]
Alternatively, if it matters to index them numerically and not by their name (say your code should automatically do this without knowing the names of the first two columns) then you can do this instead:
df1 = df.iloc[:, 0:2] # Remember that Python does not slice inclusive of...