大约有 44,000 项符合查询结果（耗时：0.1020秒） [XML]
C++ Const Usage Explanation
...hanged, to an int that cannot be changed: the only difference between this and const int& is that it can be null
const int* const& means a reference to a constant pointer to a constant int. Usually pointers are not passed by reference; const int* & makes more sense because it would mean...
rails i18n - translating text with links inside
... can dry it a bit more.
I made one helper in my application_helper.rb:
# Converts
# "string with __link__ in the middle." to
# "string with #{link_to('link', link_url, link_options)} in the middle."
def string_with_link(str, link_url, link_options = {})
match = str.match(/__([^_]{2,30})__/)
if...
How can I use an array of function pointers?
... @crucifiedsoul "the C Programming Language" written by Brian Kernighan and Dennis Ritchie? It could be, but I didn't have it as a reference at the time I wrote the answer three and an half year ago. So I don't know.
– VonC
Mar 30 '12 at 1:51
...
JQuery string contains check [duplicate]
...
@RedSwan: you could convert the string to uppercase or lowercase and then do the comparison, problem solved.
– diggersworld
Nov 8 '14 at 9:40
...
Remove all special characters from a string in R?
...
Instead of using regex to remove those "crazy" characters, just convert them to ASCII, which will remove accents, but will keep the letters.
astr <- "Ábcdêãçoàúü"
iconv(astr, from = 'UTF-8', to = 'ASCII//TRANSLIT')
which results in
[1] "Abcdeacoauu"
...
How can I dynamically create a selector at runtime with Objective-C?
.... It's mentioned explicity in the Runtime Reference that you can use it to convert a string to a selector.
share
|
improve this answer
|
follow
|
...
How to compile python script to binary executable
I need to convert a Python script to a Windows executable.
3 Answers
3
...
How to get current CPU and RAM usage in Python?
...ent()
# gives an object with many fields
psutil.virtual_memory()
# you can convert that object to a dictionary
dict(psutil.virtual_memory()._asdict())
# you can have the percentage of used RAM
psutil.virtual_memory().percent
79.2
# you can calculate percentage of available memory
psutil.virtual_mem...
How do I declare and initialize an array in Java?
How do I declare and initialize an array in Java?
28 Answers
28
...
Select objects based on value of variable in object using jq
...h key names, e.g. FOO, BAR)?
Jq provides to_entries and from_entries to convert between objects and key-value pair arrays. That along with map around the select
These functions convert between an object and an array of key-value
pairs. If to_entries is passed an object, then for each k: v ...