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How do I get the last character of a string?
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244
The code:
public class Test {
public static void main(String args[]) {
String stri...
Disable a Button
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edited Jan 24 '17 at 16:05
answered Aug 27 '14 at 10:26
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What does axis in pandas mean?
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answered Mar 3 '14 at 14:55
zhangxaochenzhangxaochen
18.6k88 gold badges4444 silver badges6262 bronze badges
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Reset C int array to zero : the fastest way?
...'s comment: this guarantee was added to 6.2.6.2/5 in plain text in TC2 (2004) ; however if there are no padding bits then 6.2.6.2/1 and /2 already guaranteed that all-bits-zero was 0. (With padding bits the possibility exists that all-bits-zero could be a trap representation). But in any case, the ...
What does a tilde do when it precedes an expression?
...For example, if your number was 1, its binary representation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
So ~ converts its operand to a 32 bit integer (bitwise operators in JavaScript do that)......
What is Bit Masking?
...lying the mask to the value means that we want to clear the first (higher) 4 bits, and keep the last (lower) 4 bits. Thus we have extracted the lower 4 bits. The result is:
Mask: 00001111b
Value: 01010101b
Result: 00000101b
Masking is implemented using AND, so in C we get:
uint8_t stuff(...) ...
Android emulator shows nothing except black screen and adb devices shows “device offline”
...rted working again.
The "Use Host GPU" does only work for me with Android 4.2 as "Target".
Update 26.02.2014:
There a two hints in the Configuring Graphics Acceleration chapter from developer.android.com.
Caution: As of SDK Tools Revision 17, the graphics acceleration feature for the emulator...
Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
... true, execute the body
execute the incrementation step
Because (1) and (4) are decoupled, either pre- or post-increment can be used.
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