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How to check whether an object has certain method/property?
...into it.
Type.GetMethod(string name) will throw an AmbiguousMatchException if there is more than one method with that name, so we better handle that case
public static bool HasMethod(this object objectToCheck, string methodName)
{
try
{
var type = objectToCheck.GetType();
re...
How do I make a placeholder for a 'select' box?
...alidation (required attribute) to work around having the "placeholder", so if the option isn't changed, but is required, the browser should prompt the user to choose an option from the list.
Update (July 2015):
This method is confirmed working in the following browsers:
Google Chrome - v.43.0.23...
log all sql queries
...
Add the following bold statements in settings.py
if DEBUG:
import logging
l = logging.getLogger('django.db.backends')
l.setLevel(logging.DEBUG)
l.addHandler(logging.StreamHandler())
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'...
How to get the first and last date of the current year?
...
SELECT
DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0) AS StartOfYear,
DATEADD(yy, DATEDIFF(yy, 0, GETDATE()) + 1, -1) AS EndOfYear
The above query gives a datetime value for midnight at the beginning of December 31. This is about 24 hours short of ...
Cannot find or open the PDB file in Visual Studio C++ 2010
...io will download PDBs automatically. Or you may just ignore these warnings if you don't need to see correct call stack in these modules.
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Set value of hidden input with jquery
.... Whenever setting some value doesn't work, try to get the element first.. If you don't get it, the problem isn't with .val(), but probably with the selector
– Thomas Mulder
Jan 30 '16 at 17:05
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Internal vs. Private Access Modifiers
What is the difference between the internal and private access modifiers in C#?
7 Answers
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Get color value programmatically when it's a reference (theme)
...is code. Either use:
android:theme="@style/Theme.BlueTheme"
in your manifest or call (before you call setContentView(int)):
setTheme(R.style.Theme_BlueTheme)
in onCreate().
I've tested it with your values and it worked perfectly.
...
How do I browse an old revision of a Subversion repository through the web view?
...e.com/svnrepository/!svn/bc/3/
Alternative
From Bert Huijben's comment:
If your repository is hosted using Subversion 1.6.0 or later, you can
use example.com/svnrepository/?p=3 for the same result... This method
/is/ documented. (?r= revision of the file, ?p= operational revision
of the URL). See...
How can I set the color of a selected row in DataGrid
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If I do select the entire row through Databinding e.g. <DataGrid>ItemsSource="{Binding Path=MySelector}" SelectedItem="{Binding SelectedItem, Mode=TwoWay}" the row is only LightGrey. Is there also a SystemColors? ´
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