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Any way to properly pretty-print ordered dictionaries?
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edited Apr 9 '14 at 12:09
user11784
2344 bronze badges
answered Feb 4 '11 at 12:33
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Strings are objects in Java, so why don't we use 'new' to create them?
...more than once. For example, consider the (contrived) code:
for (int i = 0; i < 10; i++) {
System.out.println("Next iteration");
}
If we didn't have interning of Strings, "Next iteration" would need to be instantiated 10 times, whereas now it will only be instantiated once.
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How do you get the logical xor of two variables in Python?
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1250
If you're already normalizing the inputs to booleans, then != is xor.
bool(a) != bool(b)
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What is the curiously recurring template pattern (CRTP)?
... You can write
int main()
{
Apple a1;
Apple a2;
a1.size = 10;
a2.size = 10;
if(a1 == a2) //the compiler won't complain!
{
}
}
This could seem that you would write less if you just wrote operator == for Apple, but imagine that the Equality template would provide not...
How can I force Powershell to return an array when a call only returns one object?
... there are zero objects.
– Nic
Nov 20 '13 at 17:16
1
Just a note that none of these solutions wor...
How to create a project from existing source in Eclipse and then find it?
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edited May 4 '13 at 20:45
Mr_and_Mrs_D
25.3k2929 gold badges149149 silver badges304304 bronze badges
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How do I use grep to search the current directory for all files having the a string “hello” yet disp
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edited Aug 10 '17 at 16:35
GypsyCosmonaut
31277 silver badges1313 bronze badges
answered F...
When to prefer JSON over XML?
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150
Favor XML over JSON when any of these is true:
You need message validation
You're using XSLT
Y...
Can't find the 'libpq-fe.h header when trying to install pg gem
...t of the libpq-dev package (at least in the following Ubuntu versions:
11.04 (Natty Narwhal), 10.04 (Lucid Lynx), 11.10 (Oneiric Ocelot), 12.04 (Precise Pangolin), 14.04 (Trusty Tahr) and 18.04 (Bionic Beaver)):
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/usr/include/postgresql/libpq-fe.h
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So try installing libpq-dev or its equiva...
Wrong Manifest.mf in IntelliJ IDEA created .jar
I'm trying to package a project using OptaPlanner 6.0.1 libraries into a .jar through IntelliJ IDEA's jar artifact but instead of my manifest.mf containing the standard
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