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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...and()) {
command.CommandText = "SELECT MyColumn1, MyColumn2 FROM MyTable";
using (var reader = command.ExecuteReader()) {
while (reader.Read()) {
ProcessData(reader.GetString(2)); // Throws!
}
}
}
}
GetString() will throw IndexOu...
Add new item count to icon on button - Android
...
Is it possible to do something similar to this with a TableLayout? I have a 2x2 grid of buttons and a relative layout is more of a pain to setup than a relative layout however I can't use attributes like aligntTop and alignRight
– Nick
Dec ...
C++ IDE for Linux? [closed]
...ects my personal opinion only!
EDIT: what a pity that SOF doesn't support tables, so I have to write in paragraphs ...
Eclipse Galileo with CDT Plugin
Pros:
reasonable fast
also supports Java, Perl(with E.P.I.C plugin)
commonly used and well maintained
also available for other OS flavours (Wind...
How can I pair socks from a pile efficiently?
...h I agree is the right answer. @MarkPeters I don't think you need a lookup table. A single linear pass over the socks can convert the socks to number vectors, making the mapping of "sock segment" to bucket trivial. The socks can be tied to the vectors with string so that you don't need another linea...
How do I grant myself admin access to a local SQL Server instance?
...s=1,3" %%i in (`sqlcmd -S np:\\.\pipe\SQLLocal\%sqlinstance% -E -Q "create table #foo (bar int); declare @rc int; execute @rc = sp_addsrvrolemember '$(sqllogin)', 'sysadmin'; print 'RETURN_CODE : '+CAST(@rc as char)"`) do if .%%i == .RETURN_CODE set sqlresult=%%j
rem
rem stop the SQL servi...
How do emulators work and how are they written? [closed]
...when your code throws a given interrupt, you look at the interrupt handler table and call the proper callback.
Hardware emulation:
There are two sides to emulating a given hardware device:
Emulating the functionality of the device
Emulating the actual device interfaces
Take the case of a hard-driv...
When is an interface with a default method initialized?
...erface preparation stage (JLS 12.3.2) which initializes things like method tables. But perhaps this went too far and accidentally did full initialization instead.
I've raised this question on the OpenJDK compiler-dev mailing list. There's been a reply from Alex Buckley (editor of the JLS) in which ...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...close, not a 3x improvement as shown in the "One Discussion" column of the table. Granted, the resulting code is much cleaner and I didn't have to write my own JSON parser, but for a single GET request the improvement wasn't there.
– Gary Kipnis
Jun 11 '16 at 8...
Why does Python print unicode characters when the default encoding is ASCII?
...'s.
More details on unicode, UTF-8 and latin-1:
Unicode is basically a table of characters where some keys (code points) have been conventionally assigned to point to some symbols. e.g. by convention it's been decided that key 0xe9 (233) is the value pointing to the symbol 'é'. ASCII and Unicod...
STL or Qt containers?
...s
are streamable with QDataStream
are used extensively in Qt's API
have a stable implementation across operating systems. A STL implementation must obey the C++ standard, but
is otherwise free to do as it pleases (see the std::string COW controversy). Some STL implementations are especially
bad.
pro...