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How to modify a text file?
I'm using Python, and would like to insert a string into a text file without deleting or copying the file. How can I do that?
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How to send objects through bundle
...new Gson().toJson(myobject));
startActivity(activity);
In Next Activity
String jsonMyObject;
Bundle extras = getIntent().getExtras();
if (extras != null) {
jsonMyObject = extras.getString("myObject");
}
MyObject myObject = new Gson().fromJson(jsonMyObject, MyObject.class);
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efficient circular buffer?
... return(self._data[key])
def __repr__(self):
"""Return string representation"""
return self._data.__repr__() + ' (' + str(len(self._data))+' items)'
[Edited]: Added optional data parameter to allow initialization from existing lists, e.g.:
circularlist(4, [1, 2, 3, 4, ...
What's the main difference between int.Parse() and Convert.ToInt32
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If you've got a string, and you expect it to always be an integer (say, if some web service is handing you an integer in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), ...
How to insert element into arrays at specific position?
... @roelleor But be careful: "If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however, the arrays contain numeric keys, the later value will not overwrite the original value, but will be appended." - array_merge
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How to format a Java string with leading zero?
Here is the String, for example:
21 Answers
21
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Android, How to limit width of TextView (and add three dots at the end of text)?
...he thing that I'm looking for is how to add three dots (...) at the end of string. This one shows the text has continue. This is my XML but there is no dots although it limit my text.
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Pointers in Python?
... to a function, and I can't pass a variable by reference using an int or a string?
– Sam
Mar 21 at 15:42
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How do I check if a given string is a legal/valid file name under Windows?
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This does not answer the question; there are many strings consisting only of valid characters (e.g. "....", "CON", strings hundreds of chars long) that are not valid filenames.
– Dour High Arch
Jul 21 '13 at 17:57
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How to check if all of the following items are in a list?
...ems:
>>> a = {'key': 'value'}
>>> b = {'key': 'value', 'extra_key': 'extra_value'}
>>> all(item in a.items() for item in b.items())
True
>>> all(item in b.items() for item in a.items())
False
That's because dict.items returns tuples of key/value pairs, and much...