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Check if value is in select list with JQuery
How can I, using JQuery, check if a value belongs to dropdown list or not?
6 Answers
6...
Why does Sql Server keep executing after raiserror when xact_abort is on?
I just got surprised by something in TSQL. I thought that if xact_abort was on, calling something like
4 Answers
...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...OBAL_DEFAULT);
char* url=“172.16.211.50/cc2/cc/getfile.php”;
if (!init(conn,url,&buffer ))
{
fprintf(stderr, “Connection initializion failed\n”);
exit(EXIT_FAILURE);
}
code = curl_easy_perform(conn);
if (code != CURLE_OK)
{
fprint...
Practical usage of setjmp and longjmp in C
...ense only in the top level function.
It would be very tedious and awkward if all the functions in between had to return normally and evaluate return values or a global error variable to determine that further processing doesn't make sense or even would be bad.
That's a situation where setjmp/longj...
MaxJsonLength exception in ASP.NET MVC during JavaScriptSerializer
...
If use Json.NET to generate the json string, it doesn't need to set MaxJsonLength value.
return new ContentResult()
{
Content = Newtonsoft.Json.JsonConvert.SerializeObject(data),
ContentType = "application/json",
};
...
Is it pythonic to import inside functions?
...ll at a glance how complicated your module is by what it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
One other point, I prefer t...
Write a function that returns the longest palindrome in a given string
...ng "ABCDEFCBA".
Not that the string has "ABC" and "CBA" as its substring. If you reverse the original string, it will be "ABCFEDCBA". and the longest matching substring is "ABC" which is not a palindrome.
You may need to additionally check if this longest matching substring is actually a palindrom...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...t of the filesystem and so will not remove previously installed software.
If you're lucky, running make uninstall will work. It's up to the library's authors to provide that, however; some authors provide an uninstall target, others don't.
If you're not lucky, you'll have to manually uninstall it...
How to properly ignore exceptions
...
pass
or
try:
doSomething()
except Exception:
pass
The difference is that the first one will also catch KeyboardInterrupt, SystemExit and stuff like that, which are derived directly from exceptions.BaseException, not exceptions.Exception.
See documentation for details:
try stat...
Creating a byte array from a stream
...Stream.Read doesn't guarantee that it will read everything it's asked for. If you're reading from a network stream, for example, it may read one packet's worth and then return, even if there will be more data soon. BinaryReader.Read will keep going until the end of the stream or your specified size,...