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Starting python debugger automatically on error
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You can use traceback.print_exc to print the exceptions traceback. Then use sys.exc_info to extract the traceback and finally call pdb.post_mortem with that traceback
import pdb, traceback, sys
def bombs():
a = []
print a[0]
if __name__ == '...
Java “lambda expressions not supported at this language level”
...: android { compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } }
– BaDo
Sep 25 '15 at 2:30
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Practical usage of setjmp and longjmp in C
...y to verify that).
#include <stdio.h>
#include <setjmp.h>
jmp_buf bufferA, bufferB;
void routineB(); // forward declaration
void routineA()
{
int r ;
printf("(A1)\n");
r = setjmp(bufferA);
if (r == 0) routineB();
printf("(A2) r=%d\n",r);
r = setjmp(buffer...
关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
关于 __VA_ARGS__ 宽字符版本的问题在写一个可变参数的记录日志函数,考虑到宽字符(Unicode版本)时:#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数,考虑到宽字符(Unicode版本)时:
#defin...
(Mac) -bash: __git_ps1: command not found
...r - in git's development history this is after a commit that split out the __git_ps1 function from the completion functionality into a new file (git-prompt.sh). The commit that introduced this change, which explains the rationale, is af31a456.
I would still suggest that you just source the version...
How do you debug PHP scripts? [closed]
...step into the code is a much better way to debug then the old method of var_dump and print at various points to see where your flow goes wrong. When all else fails though and all I have is SSH and vim I still var_dump()/die() to find where the code goes south.
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Updating MySQL primary key
I have a table user_interactions with 4 columns:
3 Answers
3
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What is the best method to merge two PHP objects?
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If your objects only contain fields (no methods), this works:
$obj_merged = (object) array_merge((array) $obj1, (array) $obj2);
This actually also works when objects have methods. (tested with PHP 5.3 and 5.6)
sha...
ADB Shell Input Events
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By adb shell input keyevent, either an event_code or a string will be sent to the device.
usage: input [text|keyevent]
input text <string>
input keyevent <event_code>
Some possible values for event_code are:
0 --> "KEYCODE_UNKNOWN"
1 --> "K...
How to create an array containing 1…N
...y from(), with an object with a length property:
Array.from({length: 10}, (_, i) => i + 1)
//=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
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