大约有 31,100 项符合查询结果（耗时：0.0548秒） [XML]
How do you launch the JavaScript debugger in Google Chrome?
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looking at this question makes me understand how much my javascript skills improved from novice levels to quite decent standards
– Kamal Reddy
Jun 5 '13 at 8:43
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MySql Table Insert if not exist otherwise update
... re-written using the proper INSERT ... ON DUPLICATE KEY UPDATE syntax for MySQL:
INSERT INTO AggregatedData (datenum,Timestamp)
VALUES ("734152.979166667","2010-01-14 23:30:00.000")
ON DUPLICATE KEY UPDATE
Timestamp=VALUES(Timestamp)
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set date in input type date
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Post-2012 answer: check my answer for a supported solution in one line of code.
– Oliv Utilo
Nov 29 '17 at 22:34
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GraphViz - How to connect subgraphs?
...d question, but I had a similar problem and solved it with an invisible dummy node per cluster, that can be linked to even if the cluster is empty otherwise. DUMMY_0 [shape=point style=invis]
– DevSolar
Jun 25 '12 at 7:36
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Random string generation with upper case letters and digits
...format (for example, "6U1S75"), you can do it like this:
import uuid
def my_random_string(string_length=10):
"""Returns a random string of length string_length."""
random = str(uuid.uuid4()) # Convert UUID format to a Python string.
random = random.upper() # Make all characters upperca...
use Winmerge inside of Git to file diff
...bed in "How do I view ‘git diff’ output with visual diff program?"
C:\myGitRepo>git config --replace --global diff.tool winmerge
C:\myGitRepo>git config --replace --global difftool.winmerge.cmd "winmerge.sh \"$LOCAL\" \"$REMOTE\""
C:\myGitRepo>git config --replace --global difftool.pro...
Get list of databases from SQL Server
...st), is read from some configuration file. I couldn't get it worked with my "myhost" (which is my correct host name, say obtained by Environment.MachineName).Will this work if I replace "localhost" with "myhost"?
– Ajeeb.K.P
Aug 22 '16 at 11:35
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How to select the first element in the dropdown using jquery?
I want to know how to select the first option in all select tags on my page using jquery.
9 Answers
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How to count instances of character in SQL Column
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In SQL Server:
SELECT LEN(REPLACE(myColumn, 'N', ''))
FROM ...
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Float vs Decimal in ActiveRecord
Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case,
3 Answers
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