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In Python, when to use a Dictionary, List or Set?
...g from zero - the first one is numbered zero, the
second 1, the third 2, etc. You can remove values from the list, and
add new values to the end. Example: Your many cats' names.
Dictionaries are similar to what their name suggests - a dictionary.
In a dictionary, you have an 'index' of wo...
AngularJS - wait for multiple resource queries to complete
...conditions...
}).finally(function () {
//TODO: do final clean up work, etc...
});
If you don't define catch and all of your promises fail, then the then method won't ever execute and thus will probably leave your interface in a bad state.
...
Difference between scaling horizontally and vertically for databases [closed]
... involves downtime.
In-Memory Data Grids such as GigaSpaces XAP, Coherence etc.. are often optimized for both horizontal and vertical scaling simply because they're not bound to disk. Horizontal-scaling through partitioning and vertical-scaling through multi-core support.
You can read more on this s...
What is “Power Save Mode” in IntelliJ IDEA and other Jetbrains IDEs?
...onstructs e.g. missing docblocks, assignment inside conditional statements etc will not (assuming you have those inspections enabled). This means that you can save battery power when using your laptop and choose to run the inspections only occasionally by turning power save mode off for a minute or ...
What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...ass.newInstance() is strongly discouraged. It's recommended to use Class.getConstructor(), followed by Constructor.newInstance() in turn. It avoids masking possible exceptions.
– L S
Mar 27 '13 at 14:57
...
How to determine day of week by passing specific date?
...age for translation, and (2) cultural norms for abbreviation, punctuation, etc.
)
Tue
See this code run live at IdeOne.com (but only Locale.US works there).
java.time
See my example code above, and see the correct Answer for java.time by Przemek.
Ordinal number
if just the da...
How to count certain elements in array?
...Say hello to your friends: map and filter and reduce and forEach and every etc.
(I only occasionally write for-loops in javascript, because of block-level scoping is missing, so you have to use a function as the body of the loop anyway if you need to capture or clone your iteration index or value. ...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...ter_initialize couldn't easily be moved to before_validation, before_save, etc. Chances are that eventually one of the devs on your team will execute something like MyModel.all.each perhaps for bulk processing of some kind, and thus run this initialization logic MyModel.count num of times.
...
After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...at I read use:
echo JAVA_HOME=/usr/libexec/java_home -v 1.7 | sudo tee -a /etc/mavenrc
and now:
Maven home: /usr/local/Cellar/maven/3.1.1/libexec
Java version: 1.7.0_45, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/jre
Default locale: en_US,...
Creating a new user and password with Ansible
...n command to generate a hash did not work for me. But I found the hash in /etc/shadow after setting the password manually using passwd <user>.
– dokaspar
Apr 12 '18 at 12:01
...