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Deep cloning objects
... Your example illustrates the problem. Suppose you have a Dictionary<string, Customer>. Should the cloned Dictionary have the same Customer objects as the original, or copies of those Customer objects? There are reasonable use cases for either one. But ICloneable doesn't make clear which...
How can you integrate a custom file browser/uploader with CKEditor?
...ard alert dialog, such as "illegal file" or something. Set url to an empty string if the third parameter is an error message.
CKEditor's "upload" tab will submit a file in the field "upload" - in PHP, that goes to $_FILES['upload']. What CKEditor wants your server to output is a complete JavaScript...
Determine if the device is a smartphone or tablet? [duplicate]
...he actual screen size. One other solution that I found here by John uses a String resource, instead of a boolean, to specify the tablet size. So, instead of just putting true in a /res/values-sw600dp/screen.xml file (assuming this is where your layouts are for small tablets) you would put:
<?xml...
How to call a shell script from python code?
... Note: it's preferable to pass subprocess.call() a list rather than a string (see command to Hugo24 below for the example and reasons).
– Jim Dennis
Sep 23 '10 at 11:30
1
...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
... new_profile.save()
def create_auth_token(self):
import random, string
auth = self.user.username[:4] # get first 4 characters in user name
self.auth_token = auth + ''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits + string.ascii_lowercase) for _ in range...
How does tuple comparison work in Python?
...more beginner friendly with an example
a = ('A','B','C') # see it as the string "ABC"
b = ('A','B','D')
A is converted to its corresponding ASCII ord('A') #65 same for other elements
So,
>> a>b # True
you can think of it as comparing between string (It is exactly, actually)
the sa...
Java Stanford NLP: Part of Speech labels?
...D" ),
/* Stanford.
*/
SENTENCE_TERMINATOR( "." );
private final String tag;
private PartOfSpeech( String tag ) {
this.tag = tag;
}
/**
* Returns the encoding for this part-of-speech.
*
* @return A string representing a Penn Treebank encoding for an English
* part-...
Disable assertions in Python
...
$ python -c "assert False"
Traceback (most recent call last):
File "<string>", line 1, in <module>
AssertionError
Note that by disable I mean it also does not execute the expression that follows it:
$ python -Oc "assert 1/0"
$ python -c "assert 1/0"
Traceback (most recent call las...
python max function using 'key' and lambda expression
...ms based on a set of rules based on the type of the objects (for example a string is always greater than an integer).
To modify the object before comparison, or to compare based on a particular attribute/index, you've to use the key argument.
Example 1:
A simple example, suppose you have a list ...
Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...you had a relational table (STUDENT) with two columns and ID(int) and NAME(String). Now as ORM you would've made an entity class somewhat like as follows:-
package com.kashyap.default;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.pers...