Do you know now what are the ‘important’ function to add to be able to upload the photo and rename it? See the official documentation on how to do this. There are good working examples for a simple file upload. Also check the doctrine documentation for lifecycle callbacks. How do you check the extension to … Read more
Assuming there is one number per line: sort <file> | uniq -c You can use the more verbose –count flag too with the GNU version, e.g., on Linux: sort <file> | uniq –count
You can add .vim files to be executed whenever vim switches to a particular filetype. For example, I have a file ~/.vim/after/ftplugin/html.vim with this contents: setlocal shiftwidth=2 setlocal tabstop=2 Which causes vim to use tabs with a width of 2 characters for indenting (the noexpandtab option is set globally elsewhere in my configuration). This is … Read more
Use basename(“C:/some_dir/a.ext”) # [1] “a.ext” dirname(“C:/some_dir/a.ext”) # [1] “C:/some_dir”
Available and Condition <target name=”check-abc”> <available file=”abc.txt” property=”abc.present”/> </target> <target name=”do-if-abc” depends=”check-abc” if=”abc.present”> … </target>
You have to sink “output” and “message” separately (the sink function only looks at the first element of type) Now if you want the input to be logged too, then put it in a script: script.R 1:5 + 1:3 # prints and gives a warning stop(“foo”) # an error And at the prompt: con <- … Read more
Windows file caching is very effective, especially if you are using Vista or later. TFileStream is a loose wrapper around the Windows ReadFile() and WriteFile() API functions and for many use cases the only thing faster is a memory mapped file. However, there is one common scenario where TFileStream becomes a performance bottleneck. That is … Read more
As of release R2016b, you can have local functions in scripts, like so: data = 1:10; % A vector of data squaredData = f(data); % Invoke the local function function y = f(x) y = x.^2; end Prior to release R2016b, the only type of function that could be defined inside a MATLAB script was … Read more
By default logstash writes the position is last was on to a logfile which usually resides in $HOME/.sincedb. Logstash can be fooled into believing it never parsed the logfile by specifying /dev/null as sincedb_path. Here the part of the documentation Input File. Where to write the since database (keeps track of the current position of … Read more
Under NT-style cmd.exe, you can loop through the lines of a text file with FOR /F %%i IN (file.txt) DO @echo %%i Type “help for” on the command prompt for more information. (don’t know if that works in whatever “DOS” you are using)