大约有 46,000 项符合查询结果（耗时：0.0738秒） [XML]
Git, How to reset origin/master to a commit?
I reset my local master to a commit by this command:
4 Answers
4
...
When should we implement Serializable interface?
...anisms are to
flatten object(s) into a
one-dimensional stream of bits, and to
turn that stream of bits back into the
original object(s).
Like the Transporter on Star Trek,
it's all about taking something
complicated and turning it into a flat
sequence of 1s and 0s, then taking
t...
Print array elements on separate lines in Bash?
...doing this :
$ printf '%s\n' "${my_array[@]}"
The difference between $@ and $*:
Unquoted, the results are unspecified. In Bash, both expand to separate args
and then wordsplit and globbed.
Quoted, "$@" expands each element as a separate argument, while "$*"
expands to the args merged into one a...
pandas resample documentation
So I completely understand how to use resample , but the documentation does not do a good job explaining the options.
2 An...
“Server” vs “Data Source” in connection string
...lled to work locally. Good, but I can see two connection strings typically and both works:
4 Answers
...
Is it safe to ignore the possibility of SHA collisions in practice?
... on Earth within the next second, obliterating civilization-as-we-know-it, and killing off a few billion people? It can be argued that any unlucky event with a probability lower than that is not actually very important.
If we have a "perfect" hash function with output size n, and we have p messages...
Chrome extension: accessing localStorage in content script
I have an options page where the user can define certain options and it saves it in localStorage: options.html
3 Answers
...
What is the scope of variables in JavaScript?
...
TLDR
JavaScript has lexical (also called static) scoping and closures. This means you can tell the scope of an identifier by looking at the source code.
The four scopes are:
Global - visible by everything
Function - visible within a function (and its sub-functions and blocks)
Bloc...
How can I make a UITextField move up when the keyboard is present - on starting to edit?
...e TextField scroll up when keyboard comes up, then it's not needed.)
The standard way to prevent the TextFields from being covered by the keyboard is to move the view up/down whenever the keyboard is shown.
Here is some sample code:
#define kOFFSET_FOR_KEYBOARD 80.0
-(void)keyboardWillShow {
...
String replacement in batch file
We can replace strings in a batch file using the following command
4 Answers
4
...