大约有 49,000 项符合查询结果（耗时：0.0477秒） [XML]
How to select date from datetime column?
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The first one is very slow and ignores the indexes. It is better to have LIKE 'date%'
– kachar
Feb 22 '13 at 10:03
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How to concatenate multiple lines of output to one line?
If I run the command cat file | grep pattern , I get many lines of output. How do you concatenate all lines into one line, effectively replacing each "\n" with "\" " (end with " followed by space)?
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SQL Query Where Field DOES NOT Contain $x
... the given string, it can use indices (if there is an index on that field) and be reasonably fast:
-- Finds all rows where a does not start with "text"
SELECT * FROM x WHERE x.a NOT LIKE 'text%';
share
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How to document a method with parameter(s)?
... This is closer to what I expected. Unfortunately, I picked plain PEP 257 and added my own convention (at the cost of loosing autogenerated HTML/PDF documentation). However, next time, I will pick this solution. Thanks.
– David Andreoletti
Apr 11 '12 at 5:51
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Setting WPF image source in code
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After having the same problem as you and doing some reading, I discovered the solution - Pack URIs.
I did the following in code:
Image finalImage = new Image();
finalImage.Width = 80;
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BitmapImage logo = new BitmapImage();
logo.BeginInit();
logo.UriSource =...
AppSettings get value from .config file
...embly reference to
System.Configuration
Go to your Solution Explorer and right click on References and select Add reference. Select the Assemblies tab and search for Configuration.
Here is an example of my App.config:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
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Get user profile picture by Id
...about users - actually , the possible public data available - such as name and id.
I also know that a profile picture is a part of the public data, and I wondered how I'll be able to get a direct link to a profile picture of a user only by using his id?
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What is the correct JSON content type?
...been messing around with JSON for some time, just pushing it out as text and it hasn't hurt anybody (that I know of), but I'd like to start doing things properly.
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HTML5 check if audio is playing?
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This is wrong answer. I am just working with it, and before the first start .paused is false.
– Tomas
Jul 30 '12 at 10:49
2
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Display help message with python argparse when script is called without any arguments
...be a simple one. Assume I have a program that uses argparse to process command line arguments/options. The following will print the 'help' message:
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