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Why do we need virtual functions in C++?
...uld really just read the page parashift.com/c++-faq-lite/virtual-functions.html. Other folks have already pointed to this resource in SO articles linked from this thread, but I believe this is worth re-mentioning.
– Sonny
Jun 8 '12 at 13:06
...
What is the maximum amount of RAM an app can use?
... Compatibility Downloads http://source.android.com/compatibility/downloads.html;
Compatibility Definition Document (CDD), Section Virtual Machine Compatibility or Runtime Compatibility
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Is Java Regex Thread Safe?
...acle JDK distribution (According to oracle.com/technetwork/java/faq-141681.html#A14 : "The Java 2 SDK, Standard Edition itself contains a file called src.zip that contains the source code for the public classes in the java package") so one can take a quick peek oneself.
– David...
Is ASCII code 7-bit or 8-bit?
...ity-breaking fashion. They are so deprecated nowadays that (for instance) HTML5 forbids their use on the public Web, with the unfortunate exception of UTF-16. I'm not going to talk about them any more.
A fixed-width encoding means what it sounds like: all characters are encoded using the same num...
How to prove that a problem is NP complete?
...oblem NP-Hard.
See the end of http://www.ics.uci.edu/~eppstein/161/960312.html for more.
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)
... has the break down
http://clang.llvm.org/docs/AutomaticReferenceCounting.html#ownership.spelling.property
assign implies __unsafe_unretained ownership.
copy implies __strong ownership, as well as the usual behavior of copy
semantics on the setter.
retain implies __strong ownership....
Determine a string's encoding in C#
...//// BOM/signature exists (sourced from http://www.unicode.org/faq/utf_bom.html#bom4)
if (b.Length >= 4 && b[0] == 0x00 && b[1] == 0x00 && b[2] == 0xFE && b[3] == 0xFF) { text = Encoding.GetEncoding("utf-32BE").GetString(b, 4, b.Length - 4); return Encoding.Get...
使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...lable: http://developer.android.com/guide/topics/connectivity/bluetooth-le.html#setup.
[6] ”The Story Behind Bluetooth Technology - Bluetooth Technology Website”, 2016.
[Online]. Available:https://www.bluetooth.com/what-is-bluetooth-technology/bluetooth.
[7] ”Introduction to Bluetooth...
How to read a text file reversely with iterator in C#
... a character
// See http://www.cl.cam.ac.uk/~mgk25/unicode.html
characterStartDetector = (pos, data) => (data & 0x80) == 0 || (data & 0x40) != 0;
}
else
{
throw new ArgumentException("Only single byte, UTF...
Can dplyr package be used for conditional mutating?
...ng dplyr 0.7.4
The manual: http://dplyr.tidyverse.org/reference/case_when.html
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