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What does the message “rewrite … (90%)” after a Git commit mean? [duplicate]
When git does a commit it rewrites binary files with something similar to rewrite foobar.bin (76%) . What is that %? Is it percent changed or percent retained from the older file. I know that git uses a binary delta for files, but I just don't know how much of a rewrite the % represents and it does...
What does `dword ptr` mean?
... Why is the PTR part needed? Isn't dword enough to encode the size? NASM does not use ptr AFAIK.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jun 20 '15 at 16:55
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What does `unsigned` in MySQL mean and when to use it?
What does "unsigned" mean in MySQL and when should I use it?
1 Answer
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What does preceding a string literal with “r” mean? [duplicate]
...kslash followed by the letter n. (Without the r it would be a newline.)
b does stand for byte-string and is used in Python 3, where strings are Unicode by default. In Python 2.x strings were byte-strings by default and you’d use u to indicate Unicode.
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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
What does ~> mean in the context of Ruby gem depenedencies?
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What does the keyword “transient” mean in Java? [duplicate]
...I assume you're talking about javax.persistence.Transient. In that case it does a similar thing than the transient keyword. The important difference, however is that the transient keyword applies to serialization, while the @Transient annotation applies to persisting an object using JPA.
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ggplot does not work if it is inside a for loop although it works outside of it [duplicate]
...which works fine outside a loop but not inside even if the iterative value does not interfere with the ggplot function. Why is it so ?
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Sass Nesting for :hover does not work [duplicate]
I've written this code, but it does not work. What is my problem?
2 Answers
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SQL: How to perform string does not equal
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Your where clause will return all rows where tester does not match username AND where tester is not null.
If you want to include NULLs, try:
where tester <> 'username' or tester is null
If you are looking for strings that do not contain the word "username" as a subst...
What does the third parameter (false) indicate in document.addEventListener(“deviceready”,OnDeviceRe
What does the third parameter (false) indicate in
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