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Date vs DateTime
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Unfortunately, not in the .Net BCL. Dates are usually represented as a DateTime object with the time set to midnight.
As you can guess, this means that you have all the attendant timezone issues around it, even though for a Date object you'd want absolutely no timezone han...
Likelihood of collision using most significant bits of a UUID in Java
...ay of Year) as prefix. This decreases database fragmentation in tables and indexes. This method returns byte[40]. I used it in a hybrid environment where the Active Directory SID (varbinary(85)) is the key for LDAP users and an application auto-generated ID is used for non-LDAP Users. Also the large...
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
...s that mean if we try to access a view (to get some value to save, like an index from a listview) we might run into NullPointerExceptions?
– Tiago
Feb 23 '15 at 21:56
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Can JSON start with “[”?
...e to get back a JSONArray object and then you can use get(i) where i is an index from 0 through the returned JSONArray's size()-1.
import java.io.IOException;
import com.ibm.json.java.JSONArray;
import com.ibm.json.java.JSONObject;
public class BookListTest {
public static void main(String[] ar...
Django set field value after a form is initialized
...value after the form was submitted, you can use something like:
if form.is_valid():
form.cleaned_data['Email'] = GetEmailString()
Check the referenced docs above for more on using cleaned_data
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Should I use 'has_key()' or 'in' on Python dicts?
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in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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Which is faster in Python: x**.5 or math.sqrt(x)?
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I've now run it 3 times on codepad.org and all three times a() was much faster than b().
– Jeremy Ruten
Nov 29 '08 at 1:38
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what is .netrwhist?
...riting files across networks. .netrwhist is a history file which maintains all the directories that were modified. So whenever you modify the contents of ~/.vim it adds one entry in .netrwhist
A sample .netrwhist is as shown
let g:netrw_dirhistmax =10
let g:netrw_dirhist_cnt =6
let g:netrw_dirhis...
How to export data as CSV format from SQL Server using sqlcmd?
...th '""' + col1 + '""' AS col1, wrapped in (doubled) double quotes or just call a stored procedure.
– MisterIsaak
Dec 11 '13 at 17:17
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Understanding reference counting with Cocoa and Objective-C
...be released in the future, it doesn't increase the ref count: cocoadev.com/index.pl?AutoRelease
– LKM
Oct 13 '08 at 9:47
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