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Cannot add or update a child row: a foreign key constraint fails
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not sure what the downvote is for; my answer is perfectly valid and correct.
– Brian Driscoll
Feb 15 '11 at 15:20
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Extracting bits with a single multiplication
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There is another insight - inspired by the answer of @Ternary below (see my comment there). For each interesting bit, you only need as many zeros to the right of it as you need space for bits that need to go there. But also, it needs as many bits to the left as it has result-bits to the left. So i...
Should I hash the password before sending it to the server side?
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This is an old question, but I felt the need to provide my opinion on this important matter. There is so much misinformation here
The OP never mentioned sending the password in clear over HTTP - only HTTPS, yet many seem to be responding to the question of sending a password ove...
Format numbers to strings in Python
I need to find out how to format numbers as strings. My code is here:
8 Answers
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How do you open an SDF file (SQL Server Compact Edition)? [closed]
...w mentioned by Ivan worked. I tried SQL Management Studio 2008 Express and my sdf file was Sql Ce version 4.0
– Nikolaos Georgiou
Jan 21 '12 at 13:59
13
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Get JSON object from URL
...want to use the result as array, use ", true" in json_decode function. See my answer for example.
– netblognet
Mar 25 '13 at 14:41
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
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UPDATE: Turned my solution into a stand-alone python script.
This solution has saved me more than once. Hopefully others find it useful. This python script will find any jupyter kernel using more than cpu_threshold CPU and prompts the user...
To switch from vertical split to horizontal split fast in Vim
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.... The power... My vim-fu doubled today, thank you. There are a ton of interesting ^w commands (b, w, etc)
– Alex Hart
Dec 7 '12 at 14:10
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Convert Set to List without creating new List
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@imrantariq: What you are requesting is impossible. read my edit for more details.
– amit
Jan 17 '12 at 10:09
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How to calculate time elapsed in bash script?
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How is that any different from my solution? I really can't see the benefit from calling awk in this case, since Bash handles integer arithmetic equally well.
– Daniel Kamil Kozar
Dec 21 '13 at 11:35
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