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UnboundLocalError on local variable when reassigned after first use
... decision is made by the compiler, which normally runs once when you first start the program. However it is worth keeping in mind that the compiler might also run later if you have "eval" or "exec" statements in your program.
– Greg Hewgill
Dec 16 '08 at 3:48
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Visual Studio Post Build Event - Copy to Relative Directory Location
...;
MOVE /Y "$(TargetDir)something.file1" "$(ProjectDir)something.file1"
start XCOPY /Y /R "$(SolutionDir)SomeConsoleApp\bin\$(ConfigurationName)\*" "$(ProjectDir)App_Data\Consoles\SomeConsoleApp\"
</PostBuildEvent>
(note: start XCOPY rather than XCOPY used to get around a permissions issu...
Clearing coverage highlighting in Eclipse
...adly eCobertura plugins seems to be not maintained anymore. However if you start writing into the class, its gone. So type a space, and then undo, and its gone.
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rreplace - How to replace the last occurrence of an expression in a string?
Is there a quick way in Python to replace strings but, instead of starting from the beginning as replace does, starting from the end? For example:
...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...rIdProvider instead of the default implementation. This can be done in the Startup.cs while initializing the hub configuration:
public class Startup
{
public void Configuration(IAppBuilder app)
{
var idProvider = new CustomUserIdProvider();
GlobalHost.DependencyResolver.Reg...
How do I drop a function if it already exists?
... have two options to drop and recreate the procedure in SQL Server 2016.
Starting from SQL Server 2016 - use IF EXISTS
DROP FUNCTION [ IF EXISTS ] { [ schema_name. ] function_name } [ ,...n ] [;]
Starting from SQL Server 2016 SP1 - use OR ALTER
CREATE [ OR ALTER ] FUNCTION [ schema_name. ] f...
CSS background-image - What is the correct usage?
...CSS folder tree you should use absolute path or relative to the root path (starting with /)
3) you should use complete declaration for background-image to make it behave consistently across standards compliant browsers like:
background:blue url('/images/clouds.jpg') no-repeat scroll left center;
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Deleting a resource using http DELETE
...ore information to settle this long time debate.
First of all, let's NOT start with what "I" think, what "you" think, or what yet another book author thinks. Let's start with the HTTP specs i.e. RFC 7231.
RFC 7231, section 4.3.5 DELETE happened to only mention a successful response should be 2xx...
Prevent direct access to a php include file
...y directive into the virtual host config file. Apache read it only once on startup, .htaccess is read on every access and slow down the server
– Eineki
Jan 3 '09 at 19:43
22
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Further understanding setRetainInstance(true)
...ier that the system can
use to restore the fragment if the activity is restarted (and which
you can use to capture the fragment to perform transactions, such as
remove it). There are three ways to provide an ID for a fragment:
Supply the android:id attribute with a unique ID.
Supply ...