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Java String - See if a string contains only numbers and not letters
...
In order to simply check the string that it contains only ALPHABETS use the following code :
if (text.matches("[a-zA-Z]+"){
// your operations
}
In order to simply check the string that it contains only NUMBER use the foll...
Rails I18n validation deprecation warning
...g that prevents the configuration to be set correctly.
Short answer
In order to silence the warning edit the application.rb file and include the following line inside the Rails::Application body
config.i18n.enforce_available_locales = true
The possible values are:
false: if you
want to sk...
SELECT INTO a table variable in T-SQL
..., if you don't declare the columns explicitly, then they are mapped in the order declared in the original create table statement, just like select * does. So, location in the select statement is mapped to oldlocation in the @userData table because location is in position 2 in the result set of the ...
How do I shuffle an array in Swift?
...if my array consists of 52 playing cards, I want to shuffle the array in order to shuffle the deck.
25 Answers
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How can I create tests in Android Studio?
...ion to make it a real test, but that that is pretty easy to do with the recorder, too. Watch this video to go a little deeper.
Further Study
I'd watch the videos first and then read through the documentation. It is all pretty helpful. The last link is to a series of articles that cover some importan...
How to add a filter class in Spring Boot?
..."paramValue");
registration.setName("someFilter");
registration.setOrder(1);
return registration;
}
public Filter someFilter() {
return new SomeFilter();
}
The above was tested with spring-boot 1.2.3
shar...
Object-orientation in C
...the derived class. Multiple inheritance is much harder - in that case, in order to case between base classes other than the first, you need to manually adjust your pointers based on the proper offsets, which is really tricky and error-prone.
Another (tricky) thing you can do is change the dynamic ...
Event system in Python
...s
As of June 2020, these are the event-related packages available on PyPI,
ordered by most recent release date.
RxPy3 1.0.1: June 2020
pluggy 0.13.1: June 2020 (beta)
Louie 2.0: Sept 2019
python-dispatch 0.1.2: Feb 2019
PyPubSub 4.0.3: Jan 2019
zope.event 4.4: 2018
pyeventdispatcher 0.2.3a0: 2018
b...
Get last dirname/filename in a file path argument in Bash
...ad only the last directory in the directory string passed to the script in order to checkout to the same sub-directory where our projects are hosted.
...
how to deal with google map inside of a hidden div (Updated picture)
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In order to keep the original center of the map right after resizing, consider extending the resize statement this way: var center = map.getCenter(); google.maps.event.trigger(map, 're...