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What is a “surrogate pair” in Java?
... does not support UTF-32
"????".equals("\u1F309") // false
3. You can convert Unicode character to Java String
"????".equals(new String(Character.toChars(0x0001F309))) //true
4. String.substring() does not consider supplementary characters
"????????".substring(0,1) //"?"
"????????".substri...
Combining Multiple Commits Into One Prior To Push
...g python below:
#!/usr/bin/env python3
#encoding: UTF-8
import os
import sys
def change_editor(current_file):
os.system("git config --local --replace-all core.editor " + current_file) # Set current_file as git editor
os.system("git rebase -i") # execute the "git rebase -i" and will invok...
Efficient way to determine number of digits in an integer
...fectly precise unless specified on the compiler command line. some will be converted to x86 intrinsics at compile time. some don't exist and will expand into formulas of existing intrinsics. for example if using -fpfast you could see usage of SSE instrinsics rather than x87, which yields less guaran...
How to display full (non-truncated) dataframe information in html when converting from pandas datafr
I converted a pandas dataframe to an html output using the DataFrame.to_html function. When I save this to a separate html file, the file shows truncated output.
...
Remove unwanted parts from strings in a column
...2
3 11:00 44
4 12:00 30
5 13:00 110
If you need the result converted to an integer, you can use Series.astype,
df['result'] = df['result'].str.replace(r'\D', '').astype(int)
df.dtypes
time object
result int64
dtype: object
If you don't want to modify df in-place, use Dat...
int to hex string
I need to convert an int to hex string.
4 Answers
4
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How do you compare two version Strings in Java?
...
converted on Kotlin stackoverflow.com/a/61795721/6352712
– Serg Burlaka
May 14 at 13:04
...
Undefined reference to static class member
...it (1) can be used as an lvalue only if it has been defined but (2) can be converted to an rvalue without being defined?
– j_random_hacker
May 29 '09 at 10:51
...
Swift double to string
...g = double.description
update Xcode 7.1 • Swift 2.1:
Now Double is also convertible to String so you can simply use it as you wish:
let double = 1.5
let doubleString = String(double) // "1.5"
Swift 3 or later we can extend LosslessStringConvertible and make it generic
Xcode 11.3 • Swift 5.1 ...
What do 3 dots next to a parameter type mean in Java?
... @OlleSöderström Another reason is that the formal parameter is converted to be an array at compile-time. That means that passing in an array yields the same result. Since an array's length is not known at compile time, the restriction to pass at least one element could be bypassed by sim...