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Sprintf equivalent in Java
... stream:
PrintStream ps = new PrintStream(baos);
ps.printf("there is a %s from %d %s", "hello", 3, "friends");
System.out.println(baos.toString());
baos.reset(); //need reset to write new string
ps.printf("there is a %s from %d %s", "flip", 5, "haters");
System.out.println(baos.toString());
baos.re...
how do I initialize a float to its max/min value?
...reach an extreme. To find the smallest non-zero value, we can subtract one from each for the comparison. Any zero values will "wrap around" to the largest possible value for the type, but the relationship between other values will be retained. After we're done, we obviously add one back to the value...
How to delete items from a dictionary while iterating over it?
Is it legitimate to delete items from a dictionary in Python while iterating over it?
10 Answers
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Reflection - get attribute name and value on property
...e Author Attribute type. If they do, you can get the name of the property from the property info and the attribute values from the attribute.
Something along these lines to scan a type for properties that have a specific attribute type and to return data in a dictionary (note that this can be made...
Difference between break and continue in PHP?
...'s 7 years after this answer but it worth to say this. as in php documents from v4 break and continue are same in switch. both exit from switch. to exit from outer loop if there is for or so use continue 2.
– Amin.Qarabaqi
Dec 11 '17 at 7:24
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Why doesn't java.util.Set have get(int index)?
...ions which use Object-Relational Mapping (for example with Hibernate); and from all the people who replied here, Andreas Petersson is the only one who understood the real issue and offered the correct answer to it: Java is missing a UniqueList! (or you can also call it OrderedSet, or IndexedSet).
M...
How to open a second activity on click of button in android app
...thod:
public void sendMessage(View view) {
Intent intent = new Intent(FromActivity.this, ToActivity.class);
startActivity(intent);
}
And the most important thing: don't forget to define your activity in manifest.xml
<activity>
android:name=".ToActivity"
android:label="...
What is the most efficient way to loop through dataframes with pandas? [duplicate]
... This is great; thanks Richard. It is still relevant with Python 3.7+. From 286 seconds with iterrows to 3.62 with zip. Thanks
– pacta_sunt_servanda
May 16 '19 at 12:48
ad...
How to send POST request in JSON using HTTPClient in Android?
I'm trying to figure out how to POST JSON from Android by using HTTPClient. I've been trying to figure this out for a while, I have found plenty of examples online, but I cannot get any of them to work. I believe this is because of my lack of JSON/networking knowledge in general. I know there are ...
Why would anybody use C over C++? [closed]
...
From this it sounds like you would choose C only if there are no reasonable alternatives.
– Joe Calimari
Jan 31 '09 at 0:30
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