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Moving from CVS to Git: $Id$ equivalent?
...ll see the expansion, for example:
$ head foo.sh
#!/bin/sh
# $Id: e184834e6757aac77fd0f71344934b1cd774e6d4 $
Some good information is in How do I enable the ident string for a Git repository?.
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Check if database exists in PostgreSQL using shell
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If you need to perform this with non postgres user you can add -U user, but have to list a database to connect to, as none could exist you can use the postgres template1 database that always exists: psql -U user -tAc "SELECT 1 FROM pg_databas...
How to randomize (shuffle) a JavaScript array?
...s of two variables, as we can do it in one line of code. Here is a shorter form of the same function, using this feature.
function shuffleArray(array) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[...
MySQL ON vs USING?
... +1 Nice answer on the syntactical difference. I'm curious about performance differences, if any. I imagine USING interprets to ON.
– Jason McCreary
Jul 6 '12 at 17:36
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Hidden Features of C#? [closed]
...ad of
ToLowerInvariant because Microsoft has
optimized the code for performing
uppercase comparisons.
I remember one time my coworker always changed strings to uppercase before comparing. I've always wondered why he does that because I feel it's more "natural" to convert to lowercase first. ...
install / uninstall APKs programmatically (PackageManager vs Intents)
...lso the installPackage() function arguments have often changed between platform releases, so anything you do trying access it will fail on various other versions of the platform.
EDIT:
Also it is worth pointing out that this installerPackage was only added fairly recently to the platform (2.2?) an...
How to stage only part of a new file with git?
...ob already exists in your git object database, you could hardcode the hash e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 instead. I don't recommend doing that_
Hint If you're on Windows, you probably can just use NUL: instead of /dev/null. Otherwise, use something like echo -n '' | git hash-object --...
How to see indexes for a database or table in MySQL?
...wered Mar 28 '18 at 6:25
Digital87Digital87
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Why does google.load cause my page to go blank?
...google.com/group/google-ajax-search-api/browse_thread/thread/e07c2606498094e6
Using one of the ideas, you could use a callback for the load to force it use append rather than doc.write:
setTimeout(function(){google.load('visualization', '1', {'callback':'alert("2 sec wait")', 'packages':['corechar...
How should equals and hashcode be implemented when using JPA and Hibernate
...be detaching / attaching its instances. The latter is not that common. The former is usually best handled via:
Basing equals() / hashCode() on a business key - e.g. a unique combination of attributes that is not going to change during object (or, at least, session) lifetime.
If the above is imposs...