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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...on
$transationID = generate_uuid();
some example outputs will be like:
E302D66D-87E3-4450-8CB6-17531895BF14
22D288BC-7289-442B-BEEA-286777D559F2
51B4DE29-3B71-4FD2-9E6C-071703E1FF31
3777C8C6-9FF5-4C78-AAA2-08A47F555E81
54B91C72-2CF4-4501-A6E9-02A60DCBAE4C
60F75C7C-1AE3-417B-82C8-14D456542CD7
8DE...
How do I upload a file with metadata using a REST web service?
...t",
"Latitude": 12.59817,
"Longitude": 52.12873,
"ContentID": "7a788f56fa49ae0ba5ebde780efe4d6a89b5db47"
}
Including the file data base64 encoded into the JSON request itself will increase the size of the data transferred by 33%. This may or may not be important depending on the overal...
Why must a lambda expression be cast when supplied as a plain Delegate parameter
...ssion;
var e1 = l(x => x.ToString());
var e2 = l(x => "Hello!");
var e3 = l(x => x + x);
That's even less typing, but you lose certain type safety, and imo, this is not worth it.
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...
What is the difference between C# and .NET?
...ta version: v4.0.30319
.assembly extern mscorlib
{
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
.ver 4:0:0:0
}
.assembly Example
{
.custom instance void [mscorlib]System.Runtime.CompilerServices.CompilationRelaxationsAttribute::.ctor(int32) = ( 01 00 08 00 0...
Android studio, gradle and NDK
...lavorDimension "abi"
ndk {
abiFilter "armeabi-v7a"
}
versionCode = 2
}
mips {
flavorDimension "abi"
ndk {
abiFilter "mips"
}
versionCode = 1
}
fat {
...
How to bring back “Browser mode” in IE11?
...0,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\
00,00,00,69,e3,6f,1a,8c,f2,d9,4a,a3,e6,2b,cb,50,80,7c,f1
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Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...o be the best answer. I ported to java here gist.github.com/grennis/2e3cd5f7a9238c59861015ce0a7c5584 . Note I was getting exceptions that observer was not alive, and had to check for that as well.
– Greg Ennis
Apr 27 '17 at 14:56
...
Why is rbindlist “better” than rbind?
...:cols, function(x) sample(10))))
setnames(data, sample(names))
}
n = 10e3L
ll = vector("list", n)
for (i in 1:n) {
.Call("Csetlistelt", ll, i, foo())
}
system.time(ans1 <- rbindlist(ll))
# user system elapsed
# 1.226 0.070 1.296
system.time(ans2 <- rbindlist(ll, use.names=TRU...
What's the complete range for Chinese characters in Unicode?
...ied Ideographs Extension F
3007 3007 https://zh.wiktionary.org/wiki/%E3%80%87 in block CJK Symbols and Punctuation
In CJK Unified Ideographs block, I notice many answers use upper bound 9FCC, but U+9FCD(鿍) is indeed a chinese char. And all characters in this block are Chinese character...
What's the fastest way to loop through an array in JavaScript?
...
Nope. jsbench.github.io/#67b13d4e78cdd0d7a7346410d5becf12 shows that the fastest is "Reverse loop, implicit comparison, inlined code" (105,221 ops/sec) while "Loop, cached value, inlined code" scored only 76,635 ops/sec (Chrome 38.0.2125.111)
–...