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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...lty one, you would get in interactive mode:
Query OK, 99 rows affected (0.04 sec)
Records: 100 Duplicates: 1 Warnings: 0
As you see: No Warnings! This behavior is even wrongly described in the official Mysql Documentation.
If your script needs to be informed, if some records have not been added ...
How is a CRC32 checksum calculated?
... x2 + x + 1
Wikipedia
CRC calculation
Or in hex and binary:
0x 01 04 C1 1D B7
1 0000 0100 1100 0001 0001 1101 1011 0111
The highest term (x32) is usually not explicitly written, so it can instead be represented in hex just as
0x 04 C1 1D B7
Feel free to count the 1s and 0s, but yo...
How can I link to a specific glibc version?
When I compile something on my Ubuntu Lucid 10.04 PC it gets linked against glibc. Lucid uses 2.11 of glibc. When I run this binary on another PC with an older glibc, the command fails saying there's no glibc 2.11...
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Does “display:none” prevent an image from loading?
...und images.
– TKoL
Oct 23 '17 at 15:04
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S3 Static Website Hosting Route All Paths to Index.html
...click on Create Custom Error Response:
HTTP Error Code: 403: Forbidden (404: Not Found, in case of S3 Static Website)
Customize Error Response: Yes
Response Page Path: /index.html
HTTP Response Code: 200: OK
Click on Create
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How to run travis-ci locally
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204
This process allows you to completely reproduce any Travis build job on your computer. Also, yo...
Sort Go map values by keys
...map?
– gramme.ninja
Apr 28 '14 at 1:04
1
In Go, the word "slice" refers to a data structure that'...
Convert Mercurial project to Git [duplicate]
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answered Apr 16 '13 at 13:04
alexcloozealexclooze
7,55933 gold badges3434 silver badges4141 bronze badges
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What does extern inline do?
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Jason Cohen
73.8k2626 gold badges104104 silver badges111111 bronze badges
answered Oct 19 '08 at 15:15
Don NeufeldDon Neufeld
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Clear icon inside input text
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edited Jun 24 '17 at 0:04
answered Jun 6 '11 at 22:11
Ro...
