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Location of my.cnf file on macOS
...vides example configuration files at /usr/local/mysql/support-files/.
And if you can't find them there, MySQLWorkbench can create them for you by:
Opening a connection
Selecting the 'Options File' under 'INSTANCE' in the menu.
MySQLWorkbench will search for my.cnf and if it can't find it, it'll c...
Error:(1, 0) Plugin with id 'com.android.application' not found
...on-type=all
Update: ./gradlew wrapper
Latest Android Gradle Plugin: 3.6.2
If you add the following code snippet to the top of your build.gradle file. Gradle will update the build tools.
buildscript {
repositories {
google() // For Gradle 4.0+
maven { url 'https://maven.google.co...
How to linebreak an svg text within javascript?
...
I suppese you alredy managed to solve it, but if someone is looking for similar solution then this worked for me:
g.append('svg:text')
.attr('x', 0)
.attr('y', 30)
.attr('class', 'id')
.append('svg:tspan')
.attr('x', 0)
.attr('dy', 5)
.text(function(d) { ...
What does the constant 0.0039215689 represent?
...y the reciprocal is faster than repeatedly dividing by 255.
Side Note:
If you're wondering why such a micro-optimization isn't left to the compiler, it's because it is an unsafe floating-point optimization. In other words:
x / 255 != x * (1. / 255)
due to floating-point round-off errors.
S...
Command line to remove an environment variable from the OS level configuration
...e default place setx puts it):
REG delete HKCU\Environment /F /V FOOBAR
If the variable is set in the system environment (e.g. if you originally set it with setx /M), as an administrator run:
REG delete "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /F /V FOOBAR
Note: The ...
Are there any downsides to enabling git rerere?
...
If you do a merge incorrectly, then discard it, then do the "same" merge again, it will be incorrect again. You can forget a recorded resolution, though. From the documentation:
git rerere forget <pathspec>
This reset...
Center image horizontally within a div
..., which is about the same as the width of the image, making it hard to see if it's actually centering the image. Here's my solution: jsfiddle.net/marvo/3k3CC/2
– Marvo
Jun 12 '12 at 2:38
...
How to call methods dynamically based on their name? [duplicate]
...just use public_send:
method_name = 'foobar'
obj.public_send(method_name) if obj.respond_to? method_name
If the method is private/protected, use send instead, but prefer public_send.
This is a potential security risk if the value of method_name comes from the user. To prevent vulnerabilities, yo...
How to combine paths in Java?
...you should use a class which is designed to represent a file system path.
If you're using Java 7 or Java 8, you should strongly consider using java.nio.file.Path; Path.resolve can be used to combine one path with another, or with a string. The Paths helper class is useful too. For example:
Path pa...
rails 3 validation on uniqueness on multiple attributes
...
I would add that if you want to use :scope on foreign keys, you need to use the :fkey_id symbols, instead of :fkey ones, even if a "basic" :uniqueness works on :fkey
– nbarraille
Sep 7 '12 at 2:48
...