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How to use enum values in f:selectItem(s)
...can just modify getStatuses() return type to List<Status> and return Arrays.asList(Status.values());
– stakahop
Oct 4 '16 at 12:42
...
Why does C++ not have reflection?
...ct can be optimized away.
operator[] on a vector is only comparable to raw
array indexing in performance
because the entire operator can be
inlined and thus removed entirely
from the compiled code. C# and Java
make a lot of guarantees about the
output of the compiler. If I define
a class in C#, then...
How to get my IP address programmatically on iOS/macOS?
..._ADDR_IPv6 @"ipv6"
- (NSString *)getIPAddress:(BOOL)preferIPv4
{
NSArray *searchArray = preferIPv4 ?
@[ /*IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6,*/ IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...n the form, then perform the scaling, then re-enable the anchors:
TAnchorsArray = array of TAnchors;
procedure ScaleForm(const AForm: TForm; const M, D: Integer);
var
aAnchorStorage: TAnchorsArray;
RectBefore, RectAfter: TRect;
x, y: Integer;
monitorInfo: TMonitorInfo;
workArea...
Adding up BigDecimals using Streams
...iginal answer
Yes, this is possible:
List<BigDecimal> bdList = new ArrayList<>();
//populate list
BigDecimal result = bdList.stream()
.reduce(BigDecimal.ZERO, BigDecimal::add);
What it does is:
Obtain a List<BigDecimal>.
Turn it into a Stream<BigDecimal>
Call th...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...d of MessagePack vs BSON. BSON is faster at least if you have large binary arrays:
BSON writer: 2296 ms (243487 bytes)
BSON reader: 435 ms
MESSAGEPACK writer: 5472 ms (243510 bytes)
MESSAGEPACK reader: 1364 ms
Using C# Newtonsoft.Json and MessagePack by neuecc:
public class TestData
{
...
PHP: exceptions vs errors?
...>
</ul>
<? endif; ?>
<? if ( is_array( $ex->getTrace() ) ) : ?>
<h2>Stack trace:</h2>
<table class="trace">
<thead>
<tr>
<td>File</t...
How to split text without spaces into list of words?
....get(s[i-k-1:i], 9e999), k+1) for k,c in candidates)
# Build the cost array.
cost = [0]
for i in range(1,len(s)+1):
c,k = best_match(i)
cost.append(c)
# Backtrack to recover the minimal-cost string.
out = []
i = len(s)
while i>0:
c,k = best_ma...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
I was looking for the fastest way to popcount large arrays of data. I encountered a very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
...
Socket.io rooms difference between broadcast.to and sockets.in
...
@ImanMarashi you save the otherSocket.id in an array or object outside. And access it later from whichever socket in being called.
– basickarl
May 14 '19 at 8:52
...