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Long list of if statements in Java
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My suggestion would be a kind of lightweight combination of enum and Command object. This is an idiom recommended by Joshua Bloch in Item 30 of Effective Java.
public enum Command{
A{public void doCommand(){
// Imple...
PHP 5 disable strict standards error
I need to setup my PHP script at the top to disable error reporting for strict standards.
7 Answers
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In-place type conversion of a NumPy array
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@SvenMarnach It is now supported, at least in my version (1.7.1).
– PhilMacKay
Aug 27 '13 at 20:09
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How can I create directories recursively? [duplicate]
...idn't make grandchildren and more nested children. os.makedirs just solved my problem
– Hamed_gibago
Apr 14 at 7:09
3
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What is the difference between trie and radix trie data structures?
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My question is whether Trie data structure and Radix Trie are the same thing?
In short, no. The category Radix Trie describes a particular category of Trie, but that doesn't mean that all tries are radix tries.
If they ...
Compare two DataFrames and output their differences side-by-side
...] else '{} | {}'.format(*x)
Then you can simply use a Panel to conclude :
my_panel = pd.Panel(dict(df1=df1,df2=df2))
print my_panel.apply(report_diff, axis=0)
# id Name score isEnrolled Date
#0 111 Jack nan | 2.17 True 2013-05-01 ...
How can I remove a commit on GitHub? [duplicate]
... This worked fine too! It removes the push from github but leaves my local repository intact. Thanks!
– hectorsq
Jan 18 '09 at 0:41
12
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Python os.path.join on Windows
...To be even more pedantic, the most python doc consistent answer would be:
mypath = os.path.join('c:', os.sep, 'sourcedir')
Since you also need os.sep for the posix root path:
mypath = os.path.join(os.sep, 'usr', 'lib')
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A numeric string as array key in PHP
... (up to PHP version 7.1):
array(1) {
["12"]=>
int(37)
}
(Update: My original answer showed a more complicated way by using json_decode() and json_encode() which is not necessary.)
Note the comment: It's unfortunately not possible to reference the value directly: $data['12'] will result in...
Create a new object from type parameter in generic class
I'm trying to create a new object of a type parameter in my generic class.
In my class View , I have 2 lists of objects of generic type passed as type parameters, but when I try to make new TGridView() , TypeScript says:
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