大约有 45,000 项符合查询结果（耗时：0.0369秒） [XML]
PostgreSQL: Difference between text and varchar (character varying)
...ealing with values shorter than n (pads them to n), and can lead to subtle errors because of adding trailing
spaces, plus it is problematic to change the limit
varchar(n) – it's problematic to change the limit in live environment (requires exclusive lock while altering table)
varchar – jus...
What does “Could not find or load main class” mean?
...new Java developers experience is that their programs fail to run with the error message: Could not find or load main class ...
...
Check if a Windows service exists and delete in PowerShell
...f you just want to check service existence:
if (Get-Service "My Service" -ErrorAction SilentlyContinue)
{
"service exists"
}
share
|
improve this answer
|
follow
...
Creating email templates with Django
...: "Gilbert"}) because Context is deprecated. When I used Context, I got an error > TypeError: context must be a dict rather than Context
text_content = render_to_string('receipt_email.txt', context, request=request)
html_content = render_to_string('receipt_email.html', context, request=r...
Specified argument was out of the range of valid values. Parameter name: site
I am getting this Kind of Error like::
12 Answers
12
...
How can I generate a self-signed certificate with SubjectAltName using OpenSSL? [closed]
... = @alternate_names under v3_ca section. Could it be a typo? Here's the error I get: error:22097069:X509 V3 routines:DO_EXT_NCONF:invalid extension string:v3_conf.c:139:name=subjectAltName,section=@alternate_names 140487468840608:error:22098080:X509 V3 routines:X509V3_EXT_nconf:error in extension...
Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
...ad used a symlink to make it look like it was in the same location. I saw errors in logs indicating that eclipse was looking at the previous "real" location, as opposed to following the symlink, and this was causing the errors.
In my case, I just moved the workspace back to its old location.
...
How do I enable MSDTC on SQL Server?
...ionScope.
If you do need it then you need to enable it as outlined in the error message. On XP:
Go to Administrative Tools -> Component Services
Expand Component Services -> Computers ->
Right-click -> Properties -> MSDTC tab
Hit the Security Configuration button
...
How do I wait for an asynchronously dispatched block to finish?
...skWithURL:url completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
XCTAssertNil(error, @"dataTaskWithURL error %@", error);
if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
NSInteger statusCode = [(NSHTTPURLResponse *) response statusCode...
VIM + Syntastic: how to disable the checker?
...there any way to create a single alias or map a key to toggle this? I.e., :error or Ctrl+Shift/Alt+e toggles between :SyntasticCheck and :SyntasticToggleMode.
– yoaquim
Feb 9 '15 at 19:24
...