大约有 44,000 项符合查询结果(耗时:0.0674秒) [XML]
How to use protractor to check if an element is visible?
I'm trying to test if an element is visible using protractor. Here's what the element looks like:
8 Answers
...
What is the best way to check for Internet connectivity using .NET?
...y, no reason to pull the 4KB back - just use client.OpenRead(url) instead. If it doesn't throw an exception then it was able to connect.
– Josh M.
Mar 27 '11 at 16:50
...
How can I lock a file using java (if possible)
...an I prevent another (Java) process from opening this file, or at least notify that second process that the file is already opened? Does this automatically make the second process get an exception if the file is open (which solves my problem) or do I have to explicitly open it in the first process w...
How can I check file size in Python?
...pt in Windows. I want to do something based on the file size. For example, if the size is greater than 0, I will send an email to somebody, otherwise continue to other things.
...
Difference between maven scope compile and provided for JAR packaging
What is the difference between the maven scope compile and provided when artifact is built as a JAR? If it was WAR, I'd understand - the artifact would be included or not in WEB-INF/lib. But in case of a JAR it doesn't matter - dependencies aren't included. They have to be on classpath when thei...
Node.js quick file server (static files over HTTP)
...
This is awesome. I needed to specify an address bc for some reason the default 0.0.0.0 wasn't cooperating w my dev environment. http-server -a localhost got er dun.
– Sam Berry
May 15 '15 at 1:55
...
Do I need to create indexes on foreign keys on Oracle?
...rom a query performance perspective to create a separate index on A.B_ID.
If you ever delete rows in B, you definitely want A.B_ID to be indexed. Otherwise, Oracle will have to do a full table scan on A every time you delete a row from B to make sure that there are no orphaned records (depending o...
Bash ignoring error for a particular command
...e Manual explains, "The shell does not exit" when the -e attribute is set "if the command that fails is part of the command list immediately following a while or until keyword, part of the test in an if statement, part of any command executed in a && or || list except the command following t...
Is there a Java reflection utility to do a deep comparison of two objects?
...a variety of clone() operations inside a large project and I'm wondering if there is an existing class somewhere that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
...
strdup() - what does it do in C?
... char *dst = malloc(strlen (src) + 1); // Space for length plus nul
if (dst == NULL) return NULL; // No memory
strcpy(dst, src); // Copy the characters
return dst; // Return the new string
}
In other words:
It tries to alloc...
