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How to print to console when using Qt
...ing streams originally intended for debugging:
#include<QDebug>
//qInfo is qt5.5+ only.
qInfo() << "C++ Style Info Message";
qInfo( "C Style Info Message" );
qDebug() << "C++ Style Debug Message";
qDebug( "C Style Debug Message" );
qWarning() << "C++ Style Warning Message...
Concurrent HashSet in .NET Framework?
...collection, comparer);
}
protected ConcurrentHashSet(SerializationInfo info, StreamingContext context)
{
_hashSet = new HashSet<T>();
// not sure about this one really...
var iSerializable = _hashSet as ISerializable;
iSerializable.GetObjectData(in...
what is Promotional and Feature graphic in Android Market/Play Store?
...rifications here
Update: Both links above are now broken but the detailed information can be found here
Selected applications have the ability
to be featured atop their respective
categories. This is not a guaranteed
feature, but uploading promotional
graphics is something that we
re...
.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
... is not that there was no line in app.config, but that a required piece of info was not present.
To me, ConfigurationException (and it's replacement, ConfigurationErrorsException - despite the misleading MSDN docs) are for errors in saving, reading, etc. of Configuration.
...
List directory tree structure in python?
...the lines-of-code, after elif not limit_to_directories: add the following: info = prefix + pointer + path.name; try: with path.open('r') as f: n_lines = len(f.readlines()); loc = f' LOC: {n_lines}'; info += loc; except UnicodeDecodeError: pass; yield info See this link for proper white-space.
...
how to customize `show processlist` in mysql?
...
Newer versions of SQL support the process list in information_schema:
SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST
You can ORDER BY in any way you like.
The INFORMATION_SCHEMA.PROCESSLIST table was added in MySQL 5.1.7. You can find out which version you're using with...
Catch an exception thrown by an async void method
... using (Tracer t = new Tracer(_type, "DoSomeThingAsync"))
{
t.Info("Hi in DoSomething {0}",i);
try
{
int result = await Calculate(i);
t.Info("Got async result: {0}", result);
}
catch (ArgumentException ex)
{
t.E...
Difference between a SOAP message and a WSDL?
...Body>
<m:GetBookPrice xmlns:m="http://namespaces.my-example-book-info.com">
<ISBN>978-0451524935</ISBN>
<Title>1984</Title>
<NumPages>328</NumPages>
</m:GetBookPrice>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
A...
How do I fix the error 'Named Pipes Provider, error 40 - Could not open a connection to' SQL Server'
...d the OP's problem and it turned out I was missing the SERVER/INSTANCENAME info (there was a dot there instead).
– LuxDie
Mar 15 '16 at 3:31
...
Backporting Python 3 open(encoding=“utf-8”) to Python 2
...
This may do the trick:
import sys
if sys.version_info[0] > 2:
# py3k
pass
else:
# py2
import codecs
import warnings
def open(file, mode='r', buffering=-1, encoding=None,
errors=None, newline=None, closefd=True, opener=None):
i...