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Java 8 Streams: multiple filters vs. complex condition
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8 CPU
1 GB RAM
OS version: 16.04.1 LTS (Xenial Xerus)
java version: 1.8.0_121
jvm: -XX:+UseG1GC -server -Xmx1024m -Xms1024m
UPDATE:
Java 11 has some progress on the performance, but the dynamics stay the same
Benchmark mode: Throughput, ops/time
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STL or Qt containers?
...ngs, QString offers much more complete functionality compared to std::basic_string and it is
completely Unicode aware. It also offers an efficient COW implementation, which I've come to rely on heavily.
Qt's containers:
offer the same COW implementation as in QString, which is extremely useful w...
Is it .yaml or .yml?
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Wikipedia's Category:Filename_extensions page lists entries for .a, .o and .z. Somehow, it missed .c and .h. These single-letter extensions help us see that extensions should be as long as necessary, but no longer (to half-quote A. Einstein).
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What are the differences between Abstract Factory and Factory design patterns?
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This is very misleading.
– diyoda_
Jun 21 '17 at 17:31
50+ upvotes and the diagrams are very wrong...
Can PHP cURL retrieve response headers AND body in a single request?
...www.php.net/manual/en/function.curl-exec.php#80442
Code example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
// ...
$response = curl_exec($ch);
// Then, after your curl_exec call:
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$head...
How to avoid reinstalling packages when building Docker image for Python projects?
...r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long as you do not make any changes to the requirements.txt, irrespective of the fact whether other code files at . were changed or not. Here's an example.
Here's a simp...
What does %~dp0 mean, and how does it work?
...parameter.
Example: Let’s say you have a directory on C: called bat_files, and
in that directory is a file called example.bat. In this case, %~dp0
(combining the d and p modifiers) will expand to C:\bat_files.
Check out this Microsoft article for a full explanation.
Also, check...
How to avoid passing parameters everywhere in play2?
...,value)}
means you can write the following in any template
@import tags._
@context.set("myKey","myValue")
@context.get("myKey")
So it is very readable and nice.
This is the way I chose to go. stian - good advice. Proves it is important to scroll down to see all answers. :)
Passing HTML vari...
How Drupal works? [closed]
...example, can intercept 'user' related by implementing a function named blog_user(). In Drupal parlance, that's called hook_user().
It's a bit clunky, but due to a PHP quirk (it keeps an internal hashtable of all loaded functions), it allows Drupal to quickly check for listeners just by iterating ov...
What is the best way to solve an Objective-C namespace collision?
...ere is a long discussion of options here. My favorite is the @compatibility_alias Objective-C compiler directive (described here). You can use @compatibility_alias to "rename" a class, allowing you to name your class using FQDN or some such prefix:
@interface COM_WHATEVER_ClassName : NSObject
@end
...