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Remove NA values from a vector
...932000 Just to be clear for others, your complaint is really about how the base R function max() behaves (as, for instance, when doing max(c(NA, NA)). Personally, I think its behavior is reasonable; I expect it was constructed that way so that you get the expected result when doing things like a <...
efficient circular buffer?
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Based on MoonCactus's answer, here is a circularlist class. The difference with his version is that here c[0] will always give the oldest-appended element, c[-1] the latest-appended element, c[-2] the penultimate... This is ...
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... a google.com
google.com has address 72.14.207.99
google.com has address 64.233.167.99
google.com has address 64.233.187.99
$ host -t a google.com
google.com has address 64.233.187.99
google.com has address 72.14.207.99
google.com has address 64.233.167.99
可以看到，不同的DNS...
What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...espectively.
The type (PATH) is not strictly necessary, but causes the Qt based cmake-gui to present the directory chooser dialog.
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Get current time in milliseconds in Python?
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For what I needed, here's what I did, based on @samplebias' comment above:
import time
millis = int(round(time.time() * 1000))
print millis
Quick'n'easy. Thanks all, sorry for the brain fart.
For reuse:
import time
current_milli_time = lambda: int(round(tim...
Run an app on a multiple devices automatically in Android Studio
....42.35.5791312, built on August 9, 2019
JRE: 1.8.0_202-release-1483-b03 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows Server 2016 10.0
In this update they have added in-built option to run application on multiple devices.
The IDE has a new drop-down menu that lets you quickly ...
How to change folder with git bash?
...sh (relative paths) sush as cd project it will try to go that subdirectory based on your current-working-directory (pwd)
– Bob Fanger
Jul 26 '15 at 12:14
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Serialize an object to string
... a method that calls SerializeObject that is defined in the derived type's base class: http://ideone.com/1Z5J1.
Also, Ideone uses Mono to execute code; the actual Exception you would get using the Microsoft .NET runtime has a different Message than the one shown on Ideone, but it fails just the sam...
Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
...integer/app_version_code"
app.xml:
<integer name="app_version_code">64</integer>
This wasn't a problem in prior versions of adb, however, as of platform-tools r16 this is no longer being resolved to the proper integer. You can either force the re-install using adb -r or avoid the iss...
Why does this code using random strings print “hello world”?
...andom.nextInt(27);
if (random.nextInt(27) == 0) {
int base = input[0] - pool[0];
for (int i = 1; i < input.length; i++) {
if (input[i] - pool[i] != base)
continue label;
}
return new long[]{seed, base};
...