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PostgreSQL: How to change PostgreSQL user password?
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To Change Password
sudo -u postgres psql
then
\password postgres
now enter New Password and Confirm
then \q to exit
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String comparison in bash. [[: not found
... Happend to me because i ran the script with sh, lots for frustration. Now i just have to redo everything i undid before finding this answer.
– Louis Loudog Trottier
May 16 '18 at 5:01
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Get object by id()? [duplicate]
...cast(id(a), ctypes.py_object).value
output:
hello world
If you don't know whether the object is still there, this is a recipe for undefined behavior and weird crashes or worse, so be careful.
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@UniqueConstraint annotation in Java
I have a Java bean. Now, I want to be sure that the field should be unique.
8 Answers
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How to color the Git console?
...irst thing after you set "user.name/email" to introduce yourselves to Git. Now the variable defaults to "auto".
So you will see colors by default.
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NameValueCollection vs Dictionary [duplicate]
...hash key lookup', which is what my initial question was. I also understand now that when i wrote 'hash table' you understood me to mean a .NET HashTable which is NOT what i meant. I meant it generically, which could otherwise be expressed as a 'quick binary search' for the key name. And this is inde...
compareTo() vs. equals()
...o() == 0 does not necessarily imply equality in all cases, even though I know it does for String 's) to me.
21 Answers
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JavaScript Editor Plugin for Eclipse [duplicate]
...rs"
16. Select "Java Script Editor". Click "OK" (see JavaScript syntax is now highlighted )
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Show all Elasticsearch aggregation results/buckets and not just 10
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Note that setting size:0 is now deprecated, due to memory issues inflicted on your cluster with high-cardinality field values. github.com/elastic/elasticsearch/issues/18838. Instead, use a real, reasonable number between 1 to 2147483647.
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Getting a structural type with an anonymous class's methods from a macro
...e heads up: I assumed your AST was "the old extra braces trick", but I see now that the ClassDef/Apply are not wrapped in their own Block, as happens with new $anon {}. My other take-away is that in future I won't use anon in macros with quasiquotes, or similar special names.
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