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How to run Rake tasks from within Rake tasks?
...you'd rather stick to rake's idioms, here are your possibilities, compiled from past answers:
This always executes the task, but it doesn't execute its dependencies:
Rake::Task["build"].execute
This one executes the dependencies, but it only executes the task if
it has not already been invoked:...
Hash collision in git
...y Paradox" or "Birthday Problem", which states that when you pick randomly from a given set, you need surprisingly few picks before you are more likely than not to have picked something twice. But "surprisingly few" is a very relative term here.
Wikipedia has a table on the probability of Birthday P...
Sharing Test code in Maven
How can you depend on test code from another module in Maven?
4 Answers
4
...
mongodb count num of distinct values per field/key
...ation API. To complicate the case we're grouping by case-insensitive words from array property of the document.
db.articles.aggregate([
{
$match: {
keywords: { $not: {$size: 0} }
}
},
{ $unwind: "$keywords" },
{
$group: {
_id: {$toLowe...
JavaScript: Is there a way to get Chrome to break on all errors?
... at Chrome Canary and I still see the button there. It's the fourth button from left, as shown at d.pr/i/DHwT - click once and it goes into Pause on All Exceptions, where a second click will take it to Pause on Uncaught Exceptions. A third click returns to the default of not pausing.
...
What are commit-ish and tree-ish in Git?
...er (TL;DR)
Here's a complete list of commit-ish and tree-ish identifiers (from the Git
revisions documentation):
----------------------------------------------------------------------
| Commit-ish/Tree-ish | Examples
------------------------------------------------------------...
spring boot default H2 jdbc connection (and H2 console)
...
From http://docs.spring.io/spring-boot/docs/current/reference/html/common-application-properties.html
H2 Web Console (H2ConsoleProperties):
spring.h2.console.enabled=true //Enable the console.
spring.h2.console.path=/h2-co...
Use RSA private key to generate public key?
...if you have the private key then you can calculate (derive) the public key from it - which is what the 2nd command above does. It calculates, not extracts, the public key.
– steveayre
Feb 27 '13 at 14:59
...
Deploying just HTML, CSS webpage to Tomcat
...
There is no real need to create a war to run it from Tomcat. You can follow these steps
Create a folder in webapps folder e.g. MyApp
Put your html and css in that folder and name the html file, which you want to be the starting page for your application, index.html
Start...
How can I convert byte size into a human-readable format in Java?
... is there a utility to do the reverse operation. Getting byte count from human readable byte count?
– arunmoezhi
Jun 24 '15 at 19:02
6
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