shichao-an

Keybase proof

I hereby claim:

• I am shichao-an on github.
• I am shichaoan (https://keybase.io/shichaoan) on keybase.
• I have a public key whose fingerprint is 9547 1ADF DFE5 3DBC A547 EA7E 7EC8 C7F8 8037 E444

To claim this, I am signing this object:

shichao-an

Below are the Big O performance of common functions of different Java Collections.


List                 | Add  | Remove | Get  | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList            | O(1) |  O(n)  | O(1) |   O(n)   | O(1) | Array
LinkedList           | O(1) |  O(1)  | O(n) |   O(n)   | O(1) | Linked List
CopyOnWriteArrayList | O(n) |  O(n)  | O(1) |   O(n)   | O(1) | Array

shichao-an

<plist version="1.0">
<dict>
   <key>Label</key>
   <string>com.user.loginscript</string>
   <key>ProgramArguments</key>
   <array>
   <string>/bin/mkdir</string>
   <string>-p</string>
   <string>/private/tmp/Downloads</string>
   </array>

shichao-an

• cringe (vi.) 畏缩; 感到难堪
• antics (n.) 滑稽的举止
• nuts and bolts (n.) 基础部分; (adj.) 有关具体细节的
• innuendo (n.) 暗示; 影射
• demoralize (vt.) 使泄气
• endearment (n.) 爱慕
• outnumber (vt.) 在数量上超过
• drool (vi.) 淌口水; 垂涎
• chastise (vt.) 责备
• whine (vt.) 哭喊

shichao-an

#include <stdio.h>
#include <stdlib.h>

#define test(x) ({ \
    typeof(x) _x = (x); \
    _x += 1; \
    _x; \
})

int main(int argc, char* argv[])

shichao-an

#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char * argv[])
{
    struct
    {
        bool a: 1;
        bool b: 1;

shichao-an

#include <stdio.h>
#include <stdlib.h>

typedef struct string
{
    int length;
    char chars[];
} string;

int main(int argc, char * argv[])

shichao-an

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>

typedef struct
{
    int x;
    short y[3];
    long long z;
} data_t;

shichao-an

#include <stdio.h>
#include <stdlib.h>

/* the array name by default is a pointer to its first element,
 * similar to test2
 */
void test1(int len, int x[])
{
    int i;
    for (i = 0; i < len; i++)

shichao-an

#!/usr/bin/env bash
# Check if SBC is stable and send a notification

OUTSIDE_HOST="${1:-8.8.8.8}"
PING_COUNT=15
PING_TIMEOUT=15
PING_INTERVAL=0.5
ASC_MBP="10.0.1.10"
STATUS="unknown"