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Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
...rrectly and you should see the correct behavior:
public static void main (String[] args) {
Byte b1=127;
Byte b2=127;
Short s1=127; //incorrect should use Byte
Short s2=127; //incorrect should use Byte
Short s3=128;
Short s4=128;
Integer i1=127; //incorrect should use B...
Better way to check if a Path is a File or a Directory?
...about non-existent files/folders try this public static bool? IsDirectory(string path){ if (Directory.Exists(path)) return true; // is a directory else if (File.Exists(path)) return false; // is a file else return null; // is a nothing }
– Dustin Townsend
Jun ...
Example of Named Pipes
...ace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
StartServer();
Task.Delay(1000).Wait();
//Client
var client = new NamedPipeClientStream("PipesOfPiece");
client.Connect();
Str...
How to wait for 2 seconds?
...
The documentation for WAITFOR() doesn't explicitly lay out the required string format.
This will wait for 2 seconds:
WAITFOR DELAY '00:00:02';
The format is hh:mi:ss.mmm.
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Difference between PCDATA and CDATA in DTD
...ction is a portion of element
(#PCDATA) content delimited with
special strings: to close it. If you
remember that PCDATA is "parsed
character data," a CDATA section is
literally the same thing, without the
"parsed." Parsers transmit the content
of a marked section to downstream
appl...
Help with C# generics error - “The type 'T' must be a non-nullable value type”
...le<T> itself. In other words, you could try to call:
CoalesceMax<string>(...)
which wouldn't make sense, as Nullable<string> isn't valid.
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OSError: [Errno 2] No such file or directory while using python subprocess in Django
...
Use shell=True if you're passing a string to subprocess.call.
From docs:
If passing a single string, either shell must be True or
else the string must simply name the program to be executed without
specifying any arguments.
subprocess.call(crop, she...
“The certificate chain was issued by an authority that is not trusted” when connecting DB in VM Role
...r SQL VM's trusted root store.
If you have Encrypt=True in the connection string, either set that to off (not recommended), or add the following in the connection string:
TrustServerCertificate=True
SQL Server will create a self-signed certificate if you don't install one for it to use, but it w...
The multi-part identifier could not be bound
... In my case, I was forgetting to put spaces when I concatenated strings to build the sql, so 'FROM dbo.table_a a' + 'INNER JOIN dbo.table_b b' became 'FROM dbo.table_a aINNER JOIN dbo.table_b b', and it got confused and gave me this error message. Details, details, details.
...
How to write binary data to stdout in python 3?
...g shutil.copyfileobj even when the source file object gives bytes, and not strings. +1
– csl
Jun 19 '15 at 14:45
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