大约有 21,000 项符合查询结果（耗时：0.0413秒） [XML]
Create a folder if it doesn't already exist
...
Try this, using mkdir:
if (!file_exists('path/to/directory')) {
mkdir('path/to/directory', 0777, true);
}
Note that 0777 is already the default mode for directories and may still be modified by the current umask.
...
log4net not working
...mlConfigurator.Configure();' in global.asax.cs and it was working fine for file appender but not for ELMAH appenders.
– user3885927
Nov 25 '15 at 19:44
...
Check if directory mounted with bash
...nted and remounted, the mount bind will actually no longer connect the two files/directories even though mount still shows it's connected. And if you do umount ... it will even tell you it's not mounted, although mount said it was. HUGE flaw in linux file system.
– Dev Null
...
SublimeText encloses lines in white rectangles
...rop down menu, there will be an option, 'Anaconda: Disable linting on this file'.
– Anubhav
Feb 28 '17 at 6:38
...
Programmatically change log level in Log4j2
...gger level (not the root logger or loggers configured in the configuration file) you can do this:
public static void setLevel(Logger logger, Level level) {
final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
final Configuration config = ctx.getConfiguration();
Logge...
How to quickly check if folder is empty (.NET)?
...directory on disk is empty. It means, that it does not contain any folders/files. I know, that there is a simple method. We get array of FileSystemInfo's and check if count of elements equals to zero. Something like that:
...
How to enable PHP's openssl extension to install Composer?
...or the location of your PHP installation.
Go to that location and edit the file named: php.ini.
Uncomment the line extension=php_openssl.dll by removing the semicolon at the beginning.
Now you are good to install Composer.
...
read.csv warning 'EOF within quoted string' prevents complete reading of file
I have a CSV file (24.1 MB) that I cannot fully read into my R session. When I open the file in a spreadsheet program I can see 112,544 rows. When I read it into R with read.csv I only get 56,952 rows and this warning:
...
Unable to execute dex: Multiple dex files define
... for me turns out another developer added a new version of a library jar file without deleting the old one. So there were two jars with same classes. Thus the error 'Multiple dex files...' You could do a grep -r 'OffendingClassName' | grep jar$ to search for jar files that contain the class name....
c# open file with default application and parameters
The most easy way to open a file with the default application is:
5 Answers
5
...