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nullable object must have a value
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When using LINQ extension methods (e.g. Select, Where), the lambda function might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can c...
Print current call stack from a method in Python code
... @RichieHindle's excellent answer which implements a decorator that can be selectively applied to functions as desired. Works with Python 2.7.14 and 3.6.4.
from __future__ import print_function
import functools
import traceback
import sys
INDENT = 4*' '
def stacktrace(func):
@functools.wraps(...
How to customize the background color of a UITableViewCell?
...override state-based properties set
earlier by the table view, such as
selection and background color. After
the delegate returns, the table view
sets only the alpha and frame
properties, and then only when
animating rows as they slide in or
out."
I've found this information in this ...
Asp.net 4.0 has not been registered
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@teapeng where in my case I selected ASP.NET 4.6
– bvj
Aug 29 '16 at 20:15
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Multiline Comment Workarounds?
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You can do this easily in RStudio:
select the code and click CTR+SHIFT+C
to comment/uncomment code.
share
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foll...
Location Manager Error : (KCLErrorDomain error 0)
... Scheme
Click Run .app
Option tab
Already checked Core Location > select your location
Press OK
Besides that, even if you are not connected to wifi, you can set a location in simulator through top menu items Debug>Location and to make it permanent follow steps above
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Finding all objects that have a given property inside a collection [duplicate]
... = ....; // master list
Collection<Cat> smallList = CollectionUtils.select(bigList, new Predicate() {
public boolean evaluate(Object o) {
Cat c = (Cat)o;
return c.getFavoriteFood().equals("Wiskas")
&& c.getWhateverElse().equals(Something);
}
});
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com.jcraft.jsch.JSchException: UnknownHostKey
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This is insecure and really shouldn't have been selected as the right answer on that principle. The setKnownHosts() and setFingerPrint() options are the way to do this without ignoring an important aspect of the ssh process. Edit: in my experience, #1 does not work from wi...
“This project is incompatible with the current version of Visual Studio”
...ome of the other people here, when I added Xamarin tools, I either did not select the option for Microsoft Web Developer Tools or unchecked it by accident. I modified VS 2015 and added that and now the error is gone.
– smoore4
Jul 1 '16 at 10:21
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Parser for C#
...2 also shows how you can then use the information gathered from the AST to select on the source code a type, method, comment, etc..
For reference here is the API code that wrote (note that this is my first pass at using SharpDevelop's C# AST parser, and I am still getting my head around how it work...