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Why start an ArrayList with an initial capacity?
...f you know in advance what the size of the ArrayList is going to be, it is more efficient to specify the initial capacity. If you don't do this, the internal array will have to be repeatedly reallocated as the list grows.
The larger the final list, the more time you save by avoiding the reallocatio...
Does using final for variables in Java improve garbage collection?
...ferred to as "the nursery"). Since most objects are short-lived, the GC is more aggressive about freeing recent garbage from the young generation. If an object survives a collection cycle of the young generation, it gets moved into the old generation (sometimes referred to as the "tenured generation...
Non greedy (reluctant) regex matching in sed?
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Section vs Article HTML5
...m as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on this for me?
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Is there a concurrent List in Java's JDK?
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@dfrankow But it can more more efficient if you're iterating much more than you're updating.
– b1nary.atr0phy
Jul 18 '15 at 18:13
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Can C++ code be valid in both C++03 and C++11 but do different things?
...s are listed in the appendix C of the standard. Even though there are many more negative ones than positive, each one of them is much less likely to occur.
String literals
#define u8 "abc"
const char* s = u8"def"; // Previously "abcdef", now "def"
and
#define _x "there"
"hello "_x // Previously "he...
What are some examples of commonly used practices for naming git branches? [closed]
...h name each time, but that makes the history a little confusing. If I get more specific in the names, with a separate description for each stage, then the branch names start to get long and unwieldy.
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Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?
... projects reference slightly different versions of the same assembly and a more dependent project references these projects. The resolution in my case was to remove the key and version information from the assembly name in the .csproj files (it didn't matter anyway), and then do a clean build.
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Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
...ing in Python. We believe this is possible through the implementation of a more sophisticated GC system, something like IBM's Recycler (Bacon et al, 2001)."
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getting the screen density programmatically in android?
...lso getResources().getDisplayMetrics().densityDpi
– amorenew
Jan 3 '17 at 8:29
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