大约有 40,000 项符合查询结果（耗时：0.0205秒） [XML]
Which is more preferable to use: lambda functions or nested functions ('def')?
I mostly use lambda functions but sometimes use nested functions that seem to provide the same behavior.
16 Answers
...
Best way to iterate through a Perl array
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Count occurrences of a char in a string using Bash
I need to count the number of occurrences of a char in a string using Bash.
7 Answers
...
Convert decimal to binary in python [duplicate]
Is there any module or function in python I can use to convert a decimal number to its binary equivalent?
I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the reverse without writing the code to do it myself?
...
Sleep in JavaScript - delay between actions
...
You can use setTimeout to achieve a similar effect:
var a = 1 + 3;
var b;
setTimeout(function() {
b = a + 4;
}, (3 * 1000));
This doesn't really 'sleep' JavaScript—it just executes the function passed to setTimeout after a certa...
How to get arguments with flags in Bash
... simple example:
function f () {
TEMP=`getopt --long -o "u:h:" "$@"`
eval set -- "$TEMP"
while true ; do
case "$1" in
-u )
user=$2
shift 2
;;
-h )
host=$2
shift 2
;;
*)
break
;;
esac ...
Cannot ignore .idea/workspace.xml - keeps popping up
...
I was facing the same issue, and it drove me up the wall. The issue ended up to be that the .idea folder was ALREADY commited into the repo previously, and so they were being tracked by git regardless of whether you ignored them or...
Get list of passed arguments in Windows batch script (.bat)
... try to execute one of the ampersands (the content of %1 is "&"&)
set var=%1
set "var=%1"
set var=%~1
set "var=%~1"
But there exists a workaround with a temporary file
@echo off
SETLOCAL DisableDelayedExpansion
SETLOCAL
for %%a in (1) do (
set "prompt=$_"
echo on
for %%b in ...
Read file data without saving it in Flask
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
How to make lists contain only distinct element in Python? [duplicate]
...
The simplest is to convert to a set then back to a list:
my_list = list(set(my_list))
One disadvantage with this is that it won't preserve the order. You may also want to consider if a set would be a better data structure to use in the first place, inste...