大约有 2,317 项符合查询结果（耗时：0.0291秒） [XML]
Insert a line break in mailto body
...
<a href="mailto:example@gmail.com?subject=Request&body=Hi,%0DName:[your name] %0DGood day " target="_blank"></a>
Try adding %0D to break the line. This will definitely work.
Above code will display the following:
Hi,
Name:[your name]
Good day
...
Removing duplicates from a list of lists
... (performed when you just do python nodup.py) and the basic hoisting technique (make constant global names local to each function for speed) to put things on equal footing.
Now we can run checks on the tiny example list:
$ python -mtimeit -s'import nodup' 'nodup.doset(nodup.k)'
100000 loops, best ...
PostgreSQL: Difference between text and varchar (character varying)
...varchar(n) – it's problematic to change the limit in live environment (requires exclusive lock while altering table)
varchar – just like text
text – for me a winner – over (n) data types because it lacks their problems, and over varchar – because it has distinct name
The article d...
SQLite UPSERT / UPDATE OR INSERT
I need to perform UPSERT / INSERT OR UPDATE against a SQLite Database.
7 Answers
7
...
Python Pandas merge only certain columns
...
Hmmm ... I tried using this to merge column 'Unique_External_Users' from df2 to df1 but got an error ... "None of [Index(['U', 'n', 'i', 'q', 'u', 'e', '', 'E', 'x', 't', 'e', 'r', 'n', 'a',\n 'l', '', 'U', 's', 'e', 'r', 's'],\n dtype='object')] are in the [col...
`testl` eax against eax?
...ut to be more canonical. I would write it like I write it, though, and I'm quite particular about how I write things. :-) For example, I'd write je, jz, cmp, and test, and not JE, JZ, CMP, or TEST. I'm picky like that.
– Chris Jester-Young
Dec 9 '16 at 1:12
...
Dynamic variable names in Bash
...
Use an associative array, with command names as keys.
# Requires bash 4, though
declare -A magic_variable=()
function grep_search() {
magic_variable[$1]=$( ls | tail -1 )
echo ${magic_variable[$1]}
}
If you can't use associative arrays (e.g., you must support bash 3), you...
How can I merge two commits into one if I already started rebase?
I am trying to merge 2 commits into 1, so I followed “squashing commits with rebase” from git ready .
11 Answers
...
How to add a custom loglevel to Python's logging facility
...another line inside the "debugv" function to check if the logging level in question is actually enabled.
Fixed example that checks if the logging level is enabled:
import logging
DEBUG_LEVELV_NUM = 9
logging.addLevelName(DEBUG_LEVELV_NUM, "DEBUGV")
def debugv(self, message, *args, **kws):
if...
How do I retrieve the number of columns in a Pandas data frame?
...
From Review: Hi, this post does not seem to provide a quality answer to the question. Please either edit your answer and improve it, or just post it as a comment.
– sɐunıɔןɐqɐp
Jan 29 '19 at 7:36
...