大约有 47,000 项符合查询结果(耗时:0.0489秒) [XML]
Finding index of character in Swift String
...hat also applies to positions. The _position is probably an index into the raw array of bytes and they don't want to expose that. The String.Index is meant to protect us from accessing bytes in the middle of characters.
That means that any index you get must be created from String.startIndex or Str...
versionCode vs versionName in Android Manifest
...onName
The version name shown to users. This attribute can be set as a raw string or as a reference to a string resource. The string has no other purpose than to be displayed to users. The versionCode attribute holds the significant version number used internally.
Reading that it's pretty clea...
How to send email to multiple recipients using python smtplib?
...e two replies you received. Set msg['To'] to a single string, but pass the raw list to sendmail:
emails = ['a.com','b.com', 'c.com']
msg['To'] = ', '.join( emails )
....
s.sendmail( msg['From'], emails, msg.as_string())
s...
Good tutorials on XMPP? [closed]
...
I'd rather find something other than the raw protocol, those are written to be precise rather than friendly... but still knowing it covers the fundamentals is useful.
– Mr. Boy
Jun 22 '10 at 11:46
...
How do I discover memory usage of my application in Android?
...system to this point.
Going lower-level, you can use the Debug API to get raw kernel-level information about memory usage: android.os.Debug.MemoryInfo
Note starting with 2.0 there is also an API, ActivityManager.getProcessMemoryInfo, to get this information about another process: ActivityManager.g...
How to “warm-up” Entity Framework? When does it get “cold”?
...d point I'm often ignoring, while getting hyped about the entity framework raw performance. I'll look into this further and research more into the principles of caching. However, "cold vs. warm" in terms of EF is still something I want to understand better.
– Peter
...
How to step through Python code to help debug issues?
...llow it: https://github.com/gotcha/ipdb/pull/155
Or alternatively, as in raw pdb 3.2+ you can set some breakpoints from the command line:
ipdb3 -c 'b 12' -c 'b myfunc' ~/test/a.py
although -c c is broken for some reason: https://github.com/gotcha/ipdb/issues/156
python -m module debugging has ...
Check if database exists in PostgreSQL using shell
...-f1 | grep -qxF "$DB_NAME"
The -t and -A options make sure the output is raw and not "tabular" or whitespace-padded output. Columns are separated by the pipe character |, so either the cut or the grep has to recognize this. The first column contains the database name.
EDIT: grep with -x to preven...
How to read a file in reverse order?
...line[::-1]
if __name__ == '__main__':
for qline in readlines_reverse(raw_input()):
print qline
Since the file is read character by character in reverse order, it will work even on very large files, as long as individual lines fit into memory.
...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...act data structures, like List. The other is a primitive, which is just a raw value.
– Makoto
Jan 2 '14 at 6:07
1
...