大约有 45,000 项符合查询结果（耗时：0.0368秒） [XML]
PHP namespaces and “use”
...ith $circle = new Circle(); It includes the Circle.php but I am getting an error: Fatal error: Class 'Shape' not found in .../Circle.php on line 6. It appears to load Circle.php but not load Shape.php Circle is defined as: class Circle extends Shape implements ShapeInterface
– ...
LINQ Single vs First
...( c=> c.ID == 5 ).First();
This code above introduces a possible logic error ( difficult to trace ). It will return more than one record ( assuming you have the customer record in multiple languages ) but it will always return only the first one... which may work sometimes... but not others. It'...
Fade/dissolve when changing UIImageView's image
...eg. [completion copy]) without checking its validity, this will lead to an error. So you should always use objective-c's nil when setting a block to be empty.
– Mr. T
Jan 26 '13 at 0:11
...
Conditionally use 32/64 bit reference when building in Visual Studio
...of your csproj files where you reference x86/x64:
<ResolveAssemblyWarnOrErrorOnTargetArchitectureMismatch>None</ResolveAssemblyWarnOrErrorOnTargetArchitectureMismatch>
Add this postbuild script to your startup project, use and modify the paths of this script so that it copies all your x...
Best way to get identity of inserted row?
...e variable/temp table and then query that) and it gives results even in an error scenario where the statement is rolled back. That said, if your query uses a parallel execution plan, this is the only guaranteed method for getting the identity (short of turning off parallelism). However, it is execu...
Python debugging tips [closed]
...tparse
LOGGING_LEVELS = {'critical': logging.CRITICAL,
'error': logging.ERROR,
'warning': logging.WARNING,
'info': logging.INFO,
'debug': logging.DEBUG}
def main():
parser = optparse.OptionParser()
parser.add_option('-l', ...
How to check if a specified key exists in a given S3 bucket using Java
...his page: https://stackoverflow.com/a/36653034/435605
Original post:
Use errorCode.equals("NoSuchKey")
try {
AmazonS3 s3 = new AmazonS3Client(new ClasspathPropertiesFileCredentialsProvider());
String bucketName = getBucketName();
s3.createBucket(bucketName);
S3Object object = s3.g...
What happened to console.log in IE8?
...ly because $other-browsers mightn't have it and thus die with a JavaScript error. +1
– Kent Fredric
Mar 27 '09 at 17:05
8
...
How do you specify the Java compiler version in a pom.xml file?
...rything is fine, but if I want to run it on command line, I will get these errors:
5 Answers
...
Throw keyword in function's signature
...t since it's not checked by the compiler in a reasonable way it's prone to errors and therefore not worth a lot.
– sth
Jun 9 '13 at 15:42
...