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When should null values of Boolean be used?
...ean is useful, for example
to store booleans in a collection (List, Map, etc.)
to represent a nullable boolean (coming from a nullable boolean column in a database, for example). The null value might mean "we don't know if it's true or false" in this context.
each time a method needs an Object as ...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...omebrew (motivation get a new gdb with new features such as --with-python etc... )
10 Answers
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C++ convert hex string to signed integer
... );
int32 materialY = lexical_cast<int32_from_hex>( "fffefffe" );
// etc...
(Found this page when I was looking for a less sucky way :-)
Cheers,
A.
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How to sparsely checkout only one single file from a git repository?
...y one file)
Richard Gomes points (in the comments) to "How do I clone, fetch or sparse checkout a single directory or a list of directories from git repository?"
A bash function which avoids downloading the history, which retrieves a single branch and which retrieves a list of files or direct...
Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
...or weather report with a similar look and feel to your original website in order to avoid suspicion if the abuser got a quick glance at the website. Also make sure the browser's doesn't cache by using the <META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE">tag.
Additional Remarks
Ideally your...
Convert string in base64 to image and save on filesystem in Python
...more code to do the same. like what is imgData and where is open() method, etc and how to do the same in android?
– Raj
Jan 17 '13 at 12:55
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
...
If you are working on a remote host, look at /etc/ssh/ssh_config on your local PC.
When this file contains a line:
SendEnv LANG LC_*
comment it out with adding # at the head of line. It might help.
With this line, ssh sends language related environment variables of ...
Clone Object without reference javascript [duplicate]
...ys, Functions and primitives.
** Any other type of object (Number, String, etc.) will likely give
** unexpected results, e.g. copy(new Number(5)) ==> 0 since the value
** is stored in a non-enumerable property.
**
** Expects that objects have a properly set *constructor* property.
*/
function co...
How do you switch pages in Xamarin.Forms?
... we should agree that WelcomeView(Page) should have a WelcomeViewModel and etc. Here is a code example of a mapper:
public class TypeMapperService
{
public Type MapViewModelToView(Type viewModelType)
{
var viewName = viewModelType.FullName.Replace("Model", string.Empty);
var...
How can I get a count of the total number of digits in a number?
...
.NET Core (x86)
"C:\Program Files (x86)\dotnet\dotnet.exe" bin\Release\netcoreapp2.2\ConsoleApp.dll
"C:\Program Files (x86)\dotnet\dotnet.exe" bin\x86\Release\netcoreapp2.2\ConsoleApp.dll
.NET Core (x64)
"C:\Program Files\dotnet\dotnet.exe" bin\Release\netcoreapp2.2\ConsoleApp.dll
"C:\Program...