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Is there StartsWith or Contains in t sql with variables?
...
123
StartsWith
a) left(@edition, 15) = 'Express Edition'
b) charindex('Express Edition', @edition...
Can I use assert on Android devices?
...y app in some cases on the emulator, or my device during testing. Is this possible?
9 Answers
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What is the fastest way to send 100,000 HTTP requests in Python?
...cannot figure out how to write this program correctly. Has anyone come across a similar problem? I guess generally I need to know how to perform thousands of tasks in Python as fast as possible - I suppose that means 'concurrently'.
...
What does -D_XOPEN_SOURCE do/mean?
...e definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows.
The numbers refer to different versions of the stan...
How to check for file lock? [duplicate]
...OLATION || errorCode == ERROR_LOCK_VIOLATION;
– taiji123
Jul 15 '19 at 14:40
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SET NOCOUNT ON usage
... text "SET NOCOUNT ON" itself is a whopping 14 bytes. I used to think that 123 row(s) affected was returned from server in plain text in a separate network packet but that's not the case. It's in fact a small structure called DONE_IN_PROC embedded in the response. It's not a separate network packet ...
Why are only final variables accessible in anonymous class?
...s = new int[1];
Runnable r = new Runnable() { public void run() { res[0] = 123; } };
r.run();
System.out.println(res[0]);
// ...
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How do I get the current time zone of MySQL?
...efault_timezone_set), which means it may report a different value than the OS is using. If you're in control of the PHP code, you should know whether you're doing that and be okay.
But the whole question of what timezone the MySQL server is using may be a tangent, because asking the server what tim...
How do I determine the size of my array in C?
...( sizeof(intArray) / sizeof(intArray[0]) ));
}
Output (in a 64-bit Linux OS):
sizeof of array: 28
sizeof of parameter: 8
Length of array: 7
Length of parameter: 2
Output (in a 32-bit windows OS):
sizeof of array: 28
sizeof of parameter: 4
Length of array: 7
Length of parameter: 1
...
C# code to validate email address
...e all perfectly valid forms:
cog@wheel
"cogwheel the orange"@example.com
123@$.xyz
For most use cases, a false "invalid" is much worse for your users and future proofing than a false "valid". Here's an article that used to be the accepted answer to this question (that answer has since been delet...