大约有 30,000 项符合查询结果（耗时：0.0496秒） [XML]
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...emory:
Initializing buffer pool, size = 512.0M
A few lines down, the error message tells you MySQL will not start because it cannot reserve enough (512M) memory for the InnoDB buffer pool:
Fatal error: cannot allocate memory for the buffer pool
That begs three questions:
How much memor...
Linux, Why can't I write even though I have group permissions?
I want to create a file in a directory owned by the staff group which I am a member of. Why can I not do this?
6 Answers
...
How persistent is localStorage?
I'm depending heavily on localStorage for a plugin I'm writing. All the user settings are stored in it. Some settings require the user the write regex'es and they would be sad if their regex rules are gone at some point.
So now I am wondering just how persistent the localStorage is.
...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
... And when you have no need of extending, maybe more prone to errors? abcede
– Nelson Rothermel
Jun 29 '10 at 22:07
...
Correct Bash and shell script variable capitalization
...OB_HOME JOB_LOG JOB_TEMP JOB_RUN_CONTROL
Constants: LOG_DEBUG LOG_INFO LOG_ERROR STATUS_OK STATUS_ERROR STATUS_WARNING
Use "snake case" (all lowercase and underscores) for all variables that are scoped to a single script or a block.
Examples: input_file first_value max_amount num_errors
Use mixed...
PostgreSQL “DESCRIBE TABLE”
...
Error: "did not find any relation named". This means you need to wrap your table's name in double quotes. Apparently, postgres will lower case your table name without them and therefore not find your table. Hope this helps a...
Change default timeout for mocha
If we have a unit test file my-spec.js and running with mocha:
4 Answers
4
...
Simple C example of doing an HTTP POST and consuming the response
...nder of the message.
What I did not do in this sample is any sort of real error checking - when something fails I just exit the program. Let me know if it works for you:
#include <stdio.h> /* printf, sprintf */
#include <stdlib.h> /* exit */
#include <unistd.h> /* read, write, c...
How do I get the APK of an installed app without root access?
...
This doesn't work for me. I get the following error: adb: error: remote object '/data/app/com.Slack-1/base.apk' does not exist
– 0xcaff
Aug 11 '17 at 2:12
...
android TextView: setting the background color dynamically doesn't work
... The android API is really something, why couldn't it throw an error?
– Tawani
Sep 23 '09 at 17:05
54
...