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MySQL “NOT IN” query
...ble2 ON table2.principal=table1.principal
WHERE table2.principal IS NULL
If you want to check multiple tables to make sure it's not present in any of the tables (like in SRKR's comment), you can use this:
SELECT table1.*
FROM table1
LEFT JOIN table2 ON table2.name=table1.name
LEFT JOIN table3 ON ...
Moment js date time comparison
... read most of their docs, but didn't find the function to achieve this. I know it will be there.
8 Answers
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How to upload a project to Github
... will say "Initialized empty git repository in ....git" (... is the path).
Now you need to tell git about your files by adding them to your repository. Do this with git add filename. If you want to add all your files, you can do git add .
Now that you have added your files and made your changes, you...
Proper way to exit iPhone application?
...Don't do that" is never the correct answer. Give warnings and disclaimers if you like, but the only correct answer to "how do I do this" is "here's how to do it". If I'm searching for how to do something (maybe I want to force it to exit while debugging), people righteously declaring "you don't!" ...
LINQ .Any VS .Exists - What's the difference?
... {
var s = string.Empty;
var start2 = DateTime.Now;
if (!list1.Exists(o => o == "0123456789012"))
{
var end2 = DateTime.Now;
s += " Exists: " + end2.Subtract(start2);
}
var start1 = DateTi...
Executing JavaScript without a browser?
...
I found this related question on the topic, but if you want direct links, here they are:
You can install Rhino as others have pointed out. This post shows an easy way to get it up and running and how to alias a command to invoke it easily
If you're on a Mac, you can use ...
Error installing libv8: ERROR: Failed to build gem native extension
... for the V8 engine used by therubyracer,
you may need to use libv8, even if you have V8 installed already. If
you wish to use your own V8 installation, rather than have it built
for you, use the --with-system-v8 option.
For more you can go through the documentation of libv8 on github
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How can I stop .gitignore from appearing in the list of untracked files?
...d and so on.
So, add it to your repository, it should not be gitignored.
If you really want you can add .gitignore to the .gitignore file if you don't want it to be committed. However, in that case it's probably better to add the ignores to .git/info/exclude, a special checkout-local file that wor...
Select records from NOW() -1 Day
...e a way in a MySQL statement to order records (through a date stamp) by >= NOW() -1 so all records from the day before today to the future are selected?
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Base64 length calculation?
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Consider if you have one byte of input. That will produce four characters of output. But only two output characters are needed to encode the input. So two characters will be padding.
– David Schwartz
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