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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...
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 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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Emulating a do-while loop in Bash
...google/cloud/compute/home/chetabahana/.docker/compose': checked out '24a28a7a306a671bbc430aa27b83c09cc5f1c62d'
Finished Step #0 - "gcloud"
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foll...
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)
–...
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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Why are unsigned int's not CLS compliant?
...emented now in VB8).
To quote:
http://msdn.microsoft.com/en-us/library/12a7a7h3.aspx
The CLS was designed to be large enough to include the language
constructs that are commonly needed by developers, yet small enough
that most languages are able to support it. In addition, any language
construct th...
Which characters need to be escaped when using Bash?
... - y
12 E $'\022' 2C E \, 46 - F 60 E \` 7A - z
13 E $'\023' 2D - - 47 - G 61 - a 7B E \{
14 E $'\024' 2E - . 48 - H 62 - b 7C E \|
15 E $'\025' 2F - / 49 - I 63 - c ...
Android studio, gradle and NDK
...lavorDimension "abi"
ndk {
abiFilter "armeabi-v7a"
}
versionCode = 2
}
mips {
flavorDimension "abi"
ndk {
abiFilter "mips"
}
versionCode = 1
}
fat {
...
How to track down a “double free or corruption” error
...ibc.so.6+0x21c04)
previously allocated by thread T0 here:
#0 0x7f35b2d7a040 in operator new(unsigned long) /media/sf_shared/gcc-7.1.0/libsanitizer/asan/asan_new_delete.cc:80
#1 0x400ac9 in main /media/sf_shared/jkr/cpp/d_free/d_free.cxx:8
#2 0x7f35b2050c04 in __libc_start_main (/lib64/l...