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What is a Python equivalent of PHP's var_dump()? [duplicate]
...want an official string representation of some object - you use repr(). In order to have non-official (read human-readable) you can always force conversion to string: str(object), which produces info similar to php's print_r() (used much more ofter for debugging than var_dump).
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To prevent a memory leak, the JDBC Driver has been forcibly unregistered
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Is there a reason for the order of those operations in the method contextDestroyed? Why do you do step 1. before doing step 2., where initContext, envContext and datasource are not referenced at all? I'm asking because I don't understand step 3.
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A 'for' loop to iterate over an enum in Java
...se of lambda and streams (Tutorial):
Stream.of(Direction.values()).forEachOrdered(System.out::println);
Why forEachOrdered and not forEach with streams ?
The behaviour of forEach is explicitly nondeterministic where as the forEachOrdered performs an action for each element of this stream, in t...
How to sort Map values by key in Java?
...t(key);
// do something
}
This will iterate across the map in natural order of the keys.
Longer answer
Technically, you can use anything that implements SortedMap, but except for rare cases this amounts to TreeMap, just as using a Map implementation typically amounts to HashMap.
For case...
Why are Docker container images so large?
... a new layer in the image and every layer requires extra space on disk. In order to keep the number layers to a minimum, any file manipulation like install, moving, extracting, removing, etc, should ideally be made under a single RUN instruction
FROM fedora:latest
RUN yum -y install nano git &&...
PhantomJS failing to open HTTPS site
...ding the option after the script name didn't work - you need to call it in order: phantomjs --ignore-ssl-errors=yes script.js
– simonlchilds
Jan 16 '14 at 20:15
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Shuffle two list at once with same order
...nts and documents2 I have the same documents and I need shuffle them in order to keep same order in both lists. I cannot shuffle them separately because each time I shuffle the list, I get other results. That is why I need to shuffle the at once with same order because I need compare them in the ...
Differences in string compare methods in C#
...uistically-relevant data
Display of linguistic data requiring a fixed sort order
CurrentCulture or CurrentCultureIgnoreCase
Data displayed to the user
Most user input
Note, that StringComparison Enumeration as well as overloads for string comparison methods, exists since .NET 2.0.
String.Co...
Load local JSON file into variable
... Just a tip: you can use a json validator like jsonlint.com in order to check your json data before using it.
– Marco Panichi
Nov 7 '17 at 7:29
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What's Up with Logging in Java? [closed]
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In chronological order of api apperance (as far as I know):
Log4j because most everybody uses it (in my experience)
Commons Logging because open source projects use it (so they can integrate with whatever logging framework is used in the in...