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C# elegant way to check if a property's property is null
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You're obviously looking for the Nullable Monad:
string result = new A().PropertyB.PropertyC.Value;
becomes
string result = from a in new A()
from b in a.PropertyB
from c in b.PropertyC
select c.Value;
This returns null, ...
What is the difference between vmalloc and kmalloc?
...allocate memory during the handling of a system call, should I specify GFP_ATOMIC ? Is a system call executed in an atomic context?
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Converting dd/mm/yyyy formatted string to Datetime [duplicate]
I am new to DotNet and C#. I want to convert a string in mm/dd/yyyy format to DateTime object. I tried the parse function like below but it is throwing a runtime error.
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How to create a hex dump of file containing only the hex characters without spaces in bash?
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Format strings can make hexdump behave exactly as you want it to (no whitespace at all, byte by byte):
hexdump -ve '1/1 "%.2x"'
1/1 means "each format is applied once and takes one byte", and "%.2x" is the actual format string, l...
'console' is undefined error for Internet Explorer
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@yckart: No. typeof is guaranteed to return a string and "undefined" is a string. When the two operands are of the same type, == and === are specified to perform exactly the same steps. Using typeof x == "undefined" is a rock-solid way to test whether x is undefined in a...
What is the “realm” in basic authentication
...uthentication scheme and/or
authorization database. The realm value is a string, generally
assigned by the origin server, which may have additional semantics
specific to the authentication scheme.
In short, pages in the same realm should share credentials. If your credentials work for a pag...
When should a class be Comparable and/or Comparator?
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Some classes actually provide Comparators for common cases; for instance, Strings are by default case-sensitive when sorted, but there is also a static Comparator called CASE_INSENSITIVE_ORDER.
share
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How to make tinymce paste in plain text by default
... @er-v any suggestions on how to persist the tinyMCE formatted string using a form : stackoverflow.com/questions/17247900/…
– codeObserver
Jun 23 '13 at 0:34
13
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Automatically start a Windows Service on install
I have a Windows Service which I install using the InstallUtil.exe. Even though I have set the Startup Method to Automatic, the service does not start when installed, I have to manually open the services and click start. Is there a way to start it either via the command line, or through the code of ...
How to create a zip archive with PowerShell?
... version instead) and use this PowerShell method:
function create-7zip([String] $aDirectory, [String] $aZipfile){
[string]$pathToZipExe = "$($Env:ProgramFiles)\7-Zip\7z.exe";
[Array]$arguments = "a", "-tzip", "$aZipfile", "$aDirectory", "-r";
& $pathToZipExe $arguments;
}
You ca...