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Deleting an object in java?
...d in the next GC invocation?* Assigning null to collection objects (Lists, Arrays) marks them for cleaning? stackoverflow.com/questions/449409/…
– George Daramouskas
Mar 22 '15 at 17:21
...
Convert dd-mm-yyyy string to date
...datepickertwo")
Modern JavaScript
If you're able to use more modern JS, array destructuring is a nice touch also:
const toDate = (dateStr) => {
const [day, month, year] = dateStr.split("-")
return new Date(year, month - 1, day)
}
...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...”这种玩法合法了。关于GCC对于这个事的文档在这里：“Arrays of Length Zero”，文档中给了一个例子（我改了一下，改成可以运行的了）：#include <stdlib.h>
#include <string.h>
struct line {
int length;
char contents[...
Optimal number of threads per core
... do I/O, and here is what I've found:
Note that all threads work on one array but different ranges (two threads do not access the same index), so the results may differ if they've worked on different arrays.
The 1.86 machine is a macbook air with an SSD. The other mac is an iMac with a normal HD...
How do I add comments to package.json for npm install?
...ents ... If you want to use a multiple line comment, you can use either an array, or multiple "//" keys.
When using your usual tools (npm, yarn, etc) multiple "//" keys will be removed. This survives:
{ "//": [
"first line",
"second line" ] }
This will not survive:
{ "//": "this is the ...
PostgreSQL - how to quickly drop a user with existing privileges
... JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE pg_catalog.array_to_string(c.relacl, E'\n') LIKE '%username%';
I'm not sure which privilege types correspond to revoking on TABLES, SEQUENCES, or FUNCTIONS, but I think all of them fall under one of the three.
...
Clearing a string buffer/builder after loop
...dvantage the "clear method" will have to preserve the size of the internal array. setLength does that but it also sets to \u0000 all the not used chars in the SB, so it's less performant that simply creating a new SB with a good initial capacity. Declaring inside the loop is better.
...
Operational Transformation library?
...ient-server models
Yjs allows you to share arbitrary data types (RichText, Array, Hash Maps, .. extendable). Offline support and support for P2P communication protocols (there are modules for XMPP, Websockets, and WebRTC)
SwarmJS Client server shared database with offline support. Works well with Re...
Java, How do I get current index/key in “for each” loop [duplicate]
...is definitely available, i.e. it's on the stack, if you're dealing with an array. It would be really cool if there was a keyword that would compile to a simple "ILOAD 2". If it's a List, it compiles to an iterator, which won't be able to give you an index.
– Bjørn Vårdal
...
UITableView : viewForHeaderInSection: not called during reloadData:
...you, it's so stupid of me i created my instances but I didn't append to my array
– Happiehappie
Nov 1 '16 at 3:15
4
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