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Composer install error - requires ext_curl when it's actually enabled
... @huertanix despite the user's system is running on, the question error is because curl library is not installed on the system which may cause composer error, what I point out is just an example to clarify the user how to fix that.
– Adriano Rosa
May 1...
Why use finally in C#?
...d close the stream, data reader, etc. in the finally, if you don't when it errors the connection doesn't get closed, this is really bad with db requests
SqlConnection myConn = new SqlConnection("Connectionstring");
try
{
myConn.Open();
//make na DB Request ...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ot@mail pam_mysql]# make
然后报错“make: *** [dynamic/pam_mysql.o] Error 1”无法尽心，没有生成pam_mysql.so模块。
A:
装mysql的devel和shared包吧，对应版本的，用mysql.com上面的就行
QUOTE:
Q：
安装POSTFIX2.2.7出错
[root@ma...
Unpacking, extended unpacking and nested extended unpacking
...happens when we wrap c in a tuple:
(a,b), (c,) = [1,2],'this' # ERROR -- too many values to unpack
Becomes
((a, b), (c,)) = ((1, 2), ('t', 'h', 'i', 's'))
Again, the error is obvious. c is no longer a naked variable, but a variable inside a sequence, and so the corresponding sequence...
What's the point of const pointers?
...ugh it doesn't change the functionality, adding const generates a compiler error when you're doing things you didn't mean to do. Imagine the following typo:
void foo(int* ptr)
{
ptr = 0;// oops, I meant *ptr = 0
}
If you use int* const, this would generate a compiler error because you're chan...
Building executable jar with maven?
...dependencies (if you used the descriptor jar-with-dependencies).
I get an error when I double-click on the first jar:
Could not find the main class: com.gorkwobble.logmanager.LogManager. Program will exit.
If you applied the suggested configuration of the link posted as reference, you configured ...
ContractFilter mismatch at the EndpointDispatcher exception
...If you have already tried the above workarounds and still getting the same error, try updating your configuration by simple retyping endpoints involved even though its already correct on both server and client.
– devpro101
Dec 1 '18 at 6:38
...
Check to see if a string is serialized?
...zeable, FALSE is returned and E_NOTICE is issued. We can't catch E_NOTICE error as it isn't a thrown exception.
– Hazem Noor
Oct 3 '19 at 8:32
...
How can I convert NSDictionary to NSData and vice versa?
...tingPrettyPrinted
error:&error];
NSDictionary *dictFromData = [NSJSONSerialization JSONObjectWithData:dataFromDict
options:NSJSONReadingAllowFragments
...
“Invalid form control” only in Google Chrome
...t in Chrome and Firefox the form will not submit. Chrome console logs the error An invalid form control with name='' is not focusable . Any ideas?
...