大约有 26,000 项符合查询结果（耗时：0.0579秒） [XML]
Preferred way of loading resources in Java
...ass().getResource("foo.txt");
it will attempt to load foo.txt from the same package as the "this" class and with the class loader of the "this" class. If you put a "/" in front then you are absolutely referencing the resource.
this.getClass().getResource("/x/y/z/foo.txt")
will load the resource...
Explaining Python's '__enter__' and '__exit__'
I saw this in someone's code. What does it mean?
6 Answers
6
...
How to trigger Autofill in Google Chrome?
I would like to know if there is some kind of special markup to enable the Chrome autofill feature for a specific form. I only found questions about how to disable it, but I would like to know if I can add some kind of markup to the html code in order to tell the browser "this is the input for the a...
Testing if object is of generic type in C#
...his checks the exact type equivalence. Returning false doesn't necessarily mean list is List<T> returns false (i.e. the object cannot be assigned to a List<T> variable).
share
|
improve...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
I'm terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...Which gives you descriptions of all TTY devices known to the system. A trimmed down example:
# ll /sys/class/tty/ttyUSB*
lrwxrwxrwx 1 root root 0 2012-03-28 20:43 /sys/class/tty/ttyUSB0 -> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/ttyUSB0/tty/ttyUSB0/
lrwxrwxrwx 1 root root ...
Verify a certificate chain using openssl verify
...
From verify documentation:
If a certificate is found which is its own issuer it is assumed to be the root CA.
In other words, root CA needs to self signed for verify to work. This is why your second command didn't work. Try this instead:
o...
Comparing Java enum members: == or equals()?
...compiled to classes with private constructors and a bunch of public static members. When comparing two members of a given enum, I've always used .equals() , e.g.
...
How to change past commit to include a missed file?
...ase --interactive HEAD~4 and set edit option for the commit you'd like to amend.
Remember that you should not modify commits pushed to the remote repository this way. It's better to add a new commit with missing file in that case.
...
Effect of NOLOCK hint in SELECT statements
...lect.
Why would this be?
NOLOCK typically (depending on your DB engine) means give me your data, and I don't care what state it is in, and don't bother holding it still while you read from it. It is all at once faster, less resource-intensive, and very very dangerous.
You should be warned to ne...