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Adding dictionaries together, Python [duplicate]
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@dimo414 Yes, my bad. I can't change it now however. I use ChainMap from collections to achieve this functionality now via dict(ChainMap(dic1, dic0)). However I have had to grab the source code from the chainmap pypi package for Python2.7. Notice how I switched the...
Difference between one-to-many and many-to-one relationship
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Maybe database relationships now?
– fragorl
Jul 27 '17 at 1:00
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When to use EntityManager.find() vs EntityManager.getReference() with JPA
...etter method). Just to change state (I mean setter method). As you should know, getReference returns a proxy object which uses a powerful feature called automatic dirty checking. Suppose the following
public class Person {
private String name;
private Integer age;
}
public class PersonS...
How to keep keys/values in same order as declared?
...elevates this implementation detail to a language specification, so it is now mandatory that dict preserves order in all Python implementations compatible with that version or newer. See the pronouncement by the BDFL. As of Python 3.8, dictionaries also support iteration in reverse.
You may still w...
Android Studio quick documentation always “fetching documentation”
...mentation for some Android class popped up. No idea, where it got it from. Now I'm installing the Doc package back, hoping it will fix the fetch times, thank you for idea.
– Ped7g
Apr 12 '17 at 12:19
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On delete cascade with doctrine2
...also want to point out that the way you have your cascade={"remove"} right now, if you delete a Child object, this cascade will remove the Parent object. Clearly not what you want.
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In JavaScript, does it make a difference if I call a function with parentheses?
...they can be passed around exactly as if we were passing around values.
So now to the difference of assignment:
var operator = 3;
var operand = 4;
var ret = Multiply(operator, operand);
At the point of defining the ret variable, Multiply is executed and the return value is assigned - ret becomes ...
What is the Sign Off feature in Git for?
...eated the patch in question, or that you certify that to the best of your knowledge, it was created under an appropriate open-source license, or that it has been provided to you by someone else under those terms. This can help establish a chain of people who take responsibility for the copyright sta...
How to write to a file in Scala?
...ite
file.writeStrings( "It costs" :: "one" :: "dollar" :: Nil)
// Now all options
file.writeStrings("It costs" :: "one" :: "dollar" :: Nil,
separator="||\n||")(codec = Codec.UTF8)
}
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How to programmatically take a screenshot on Android?
...e code (running in an Activity):
private void takeScreenshot() {
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);
try {
// image naming and path to include sd card appending name you choose for file
String mPath = Environment.g...