大约有 13,916 项符合查询结果(耗时:0.0304秒) [XML]
Removing a list of characters in string
...ersion ''.join(c for c ...) will be less efficient).
B. Create a regular expression on the fly and re.sub with an empty string:
>>> import re
>>> rx = '[' + re.escape(''.join(chars_to_remove)) + ']'
>>> re.sub(rx, '', subj)
'ABC'
(re.escape ensures that characters like...
Automatically open Chrome developer tools when new tab/new window is opened
...eloper Tools in Pop-ups if they were open where you opened them from. For example, if you do not have Dev Tools open and you get a popup, it won't open with Dev Tools. But if you Have Dev Tools Open and then you click something, the popup will have Dev-Tools Automatically opened.
UPDATE:
Time has ...
How to avoid isset() and empty()
I have several older applications that throw a lot of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
...
What's the difference between unit, functional, acceptance, and integration tests? [closed]
...lly a method/function (e.g. given a class with a particular state, calling x method on the class should cause y to happen). Unit tests should be focussed on one particular feature (e.g., calling the pop method when the stack is empty should throw an InvalidOperationException). Everything it touche...
How to build an android library with Android Studio and gradle?
...). The 2 app projects depend on the library project. When I do the gradle export I get 3 projects that don't work. I am open to restructuring the project but haven't found any documentation on how this should be done.
...
How to add a custom right-click menu to a webpage?
...
Answering your question - use contextmenu event, like below:
if (document.addEventListener) {
document.addEventListener('contextmenu', function(e) {
alert("You've tried to open context menu"); //here you draw your own menu
e.preventDefault();...
python-pandas and databases like mysql
The documentation for Pandas has numerous examples of best practices for working with data stored in various formats.
13 An...
How to export and import a .sql file from command line with options? [duplicate]
Not Duplicate! looking for some feature have phpmyadmin during export in command line
8 Answers
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How to list the size of each file and directory and sort by descending size in Bash?
...
Simply navigate to directory and run following command:
du -a --max-depth=1 | sort -n
OR add -h for human readable sizes and -r to print bigger directories/files first.
du -a -h --max-depth=1 | sort -hr
share
...
sizeof single struct member in C
...mber)
and use it like this:
typedef struct
{
float calc;
char text[255];
int used;
} Parent;
typedef struct
{
char flag;
char text[member_size(Parent, text)];
int used;
} Child;
I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a constan...
