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Better naming in Tuple classes than “Item1”, “Item2”
...however, don't use it for this simple case as what would have been compile-time errors become run-time errors.
class Program
{
static void Main(string[] args)
{
dynamic employee, manager;
employee = new ExpandoObject();
employee.Name = "John Smith";
employee...
System.Data.SQLite Close() not releasing database file
...ata.SQLite. Any volunteers are welcome to do so, unfortunately I am out of time to do so before next year.
TL;DR
The solution is to force a GC after your call to SQLiteConnection.Close() and before your call to File.Delete().
Here is the sample code:
string filename = "testFile.db";
SQLiteConnec...
“CASE” statement within “WHERE” clause in SQL Server 2008
...
This should solve your problem for the time being but I must remind you it isn't a good approach :
WHERE
CASE LEN('TestPerson')
WHEN 0 THEN
CASE WHEN co.personentered = co.personentered THEN 1 ELSE 0 END
...
How can I merge properties of two JavaScript objects dynamically?
I need to be able to merge two (very simple) JavaScript objects at runtime. For example I'd like to:
63 Answers
...
Visual Studio popup: “the operation could not be completed”
...en retry to start the solution, to see if this help.
In my experience sometime VS crash on start because there is an error in some source code, and due to that error VS can't compile the code, and then crash because without compiled code it's unable to show form in design mode.
In this case, deleti...
How can I stop a running MySQL query?
...------------+
| Id | User | Host | db | Command | Time | State | Info |
+---------+--------+-------------------+---------+---------+------+-------+------------------+
| 9255451 | logreg | dmin001.ops:37651 | logdata | Query | 0 | NULL | show processlist |
+...
Are std::vector elements guaranteed to be contiguous?
...s random access iterators. In addition, it supports (amortized)
constant time insert and erase operations at the end; insert and erase in the middle take linear time. Storage
management is handled automatically, though hints can be given to improve efficiency. The elements of a
vector are stor...
Get last n lines of a file, similar to tail
...s no assumptions about line length. Backs through the file one block at a time till it's found the right number of '\n' characters.
def tail( f, lines=20 ):
total_lines_wanted = lines
BLOCK_SIZE = 1024
f.seek(0, 2)
block_end_byte = f.tell()
lines_to_go = total_lines_wanted
...
“Bitmap too large to be uploaded into a texture”
... About three and a half months now I have been programming almost full time on Android and I just now realized this. Seems dumb to make drawable essentially a hidden drawable-mdpi folder. This also explained why my custom map markers looked awful (they were being upscaled, then downscaled).
...
When should a class be Comparable and/or Comparator?
...ompared.
With generics, you can declare so, and have it checked at compile-time. This improves safety, but it is also a challenge to determine the appropriate value.
As a guideline, I generally use the most general class or interface to which that object could be compared, in all use cases I envisi...