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How do I add more members to my ENUM-type column in MySQL?
...------------------------------------------+
1 row in set (0.00 sec)
What error are you seeing?
FWIW this would also work:
ALTER TABLE carmake MODIFY COLUMN country ENUM('Sweden','Malaysia');
I would actually recommend a country table rather than enum column. You may have hundreds of countries w...
Twitter API returns error 215, Bad Authentication Data
...= false". We have traced down that it is cURL SSL certificate verification error, that makes Twitter library always return empty response.
– lubosdz
May 14 '15 at 15:20
add a ...
二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...了上述的那些地方，剩下的地方存放 Data Code 数据码 和 Error Correction Code 纠错码。
数据编码
我们先来说说数据编码。QR码支持如下的编码：
Numeric mode 数字编码，从0到9。如果需要编码的数字的个数不是3的倍数，那么，最后...
Detect when an image fails to load in Javascript
...) {
var tester=new Image();
tester.onload=imageFound;
tester.onerror=imageNotFound;
tester.src=URL;
}
function imageFound() {
alert('That image is found and loaded');
}
function imageNotFound() {
alert('That image was not found.');
}
testImage("http://foo.com/bar.jpg");
...
Is there any way to ignore INSTALL_FAILED_VERSION_DOWNGRADE on application install with the Android
It seems like the most recent Android 4.2 has introduced this error condition on installation when one attempts to install an APK with a lower version. In prior versions of Android, one would be able to install older APK's simply via adb install -r <link to APK> . For debugging purposes, I f...
Mathematical functions in Swift
...
In the Swift playground, I get the error: No such module 'Cocoa'
– David Poxon
Jun 11 '14 at 10:31
...
file_put_contents(meta/services.json): failed to open stream: Permission denied
... This should be sudo chmod -R 777 app/storage. to avoid permission error.
– Olaitan Mayowa
Oct 8 '14 at 10:10
5
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Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?
...s is that you're not working with strongly named assemblies. I've had this error when two projects reference slightly different versions of the same assembly and a more dependent project references these projects. The resolution in my case was to remove the key and version information from the assem...
Django “login() takes exactly 1 argument (2 given)” error
....com%2fquestions%2f1134476%2fdjango-login-takes-exactly-1-argument-2-given-error%23new-answer', 'question_page');
}
);
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...
Usage of EnsureSuccessStatusCode and handling of HttpRequestException it throws
...tim English message literal here.
Pros
Logs the content for an 5xx server error
Sometimes, a server error is actually a client error in disguise, such as a client using a deprecated endpoint that finally got shut off.
Makes it easier to uncover errors when writing integration tests using Configu...