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SQLite - UPSERT *not* INSERT or REPLACE
...no-op if the INSERT would violate a uniqueness constraint. UPSERT is not standard SQL. UPSERT in SQLite follows the syntax established by PostgreSQL.
GOOD but tendous: This will update 2 of the columns.
When ID=1 exists, the NAME will be unaffected.
When ID=1 does not exist, the name will be the...
adb shell command to make Android package uninstall dialog appear
I have adb running and device is connected to my system in debugging mode,
6 Answers
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Can I set enum start value in Java?
... just labels for integers.
Java enums are implemented more like classes - and they can even have multiple attributes.
public enum Ids {
OPEN(100), CLOSE(200);
private final int id;
Ids(int id) { this.id = id; }
public int getValue() { return id; }
}
The big difference is that th...
Remove ':hover' CSS behavior from element
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I would use two classes. Keep your test class and add a second class called testhover which you only add to those you want to hover - alongside the test class. This isn't directly what you asked but without more context it feels like the best solution and is possibly the...
Get epoch for a specific date using Javascript
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You can create a Date object, and call getTime on it:
new Date(2010, 6, 26).getTime() / 1000
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foll...
Cannot ping AWS EC2 instance
...cho Request", I got confused by this for a moment.
– Andy
Jul 10 '18 at 15:23
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How to run SQL script in MySQL?
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If you’re at the MySQL command line mysql> you have to declare the SQL file as source.
mysql> source \home\user\Desktop\test.sql;
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Finding all possible permutations of a given string in python
... not specified or is None, then r defaults to the length of the
iterable and all possible full-length permutations are generated.
Permutations are emitted in lexicographic sort order. So, if the input
iterable is sorted, the permutation tuples will be produced in sorted
order.
You'll ha...
Removing path and extension from filename in powershell
... to files. I'd like to save just the filename, without the file extension and the leading path. So from this:
12 Answers
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How do I duplicate a whole line in Emacs?
I saw this same question for VIM and it has been something that I myself wanted to know how to do for Emacs. In ReSharper I use CTRL-D for this action. What is the least number of commands to perform this in Emacs?
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