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Show an image preview before upload
...taURL($(this)[0].files[i]);
}
} else {
alert("This browser does not support FileReader.");
}
} else {
alert("Pls select only images");
}
});
Detailed Article: How to Preview Image before upload it, jQuery, HTML5 FileReader() with Liv...
How can I expand the full path of the current file to pass to a command in Vim?
...ame dirname
:echo expand("<sfile>:p") " absolute path to [this] vimscript
:help filename-modifiers
For example (with a vim function), to resolve() and expand() any symlinks to the absolute path to the current script <sfile>:p (instead of %:p), and then exec to source the fnameescape...
How do I speed up the gwt compiler?
...conds w/ deployment in tomcat. In addition all of this can be written in a script. You can also dev on a local machine, create a svn patch, and have your script apply the patch using some type of NFS or samba sharing, eliminating the need to copy over just the src diffs. yay!
–...
How to debug a Flask app
...ep through the code with breakpoints. The run configuration can point to a script calling app.run(debug=True, use_reloader=False), or point it at the venv/bin/flask script and use it as you would from the command line. You can leave the reloader disabled, but a reload will kill the debugging context...
Redis: Show database size/size for keys
...to aggregate all values for KEYS * which shouldn't be too difficult with a scripting language of your choice...
The bad thing is that redis.io doesn't really have a lot of information about DEBUG OBJECT.
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How to iterate through two lists in parallel?
...ion where the number of repetitions used was 1000 times. One of the Python scripts that I had created to perform these investigations is given below. The sizes of the foo and bar lists had ranged from 10 to 1,000,000 elements.
Results:
For printing purposes: The performances of all the considered a...
Get list of all routes defined in the Flask app
...pp import app
>>> app.url_map
The first 'app' is my project script: app.py,
another is my web's name.
(this solution is for tiny web with a little route)
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Is there a portable way to print a message from the C preprocessor?
...
Another solution is to use comments plus a shell script to process them. This takes some discipline (or a shell script which catches typos).
For example, I add comments formatted //TODO and then a shell script which collects all of them into a report.
For more complex use...
HTML input - name vs. id [duplicate]
...dio buttons & checkboxes
Can not be referenced in URL, although as JavaScript and PHP can see the URL there are workarounds
Is referenced in JS with getElementsByName()
Shares the same namespace as the id attribute
Must begin with a letter
According to specs is case sensitive, but most modern br...
Is there a way to make R beep/play a sound at the end of a script?
When I run R scripts I go do something else on a different desktop. If I don't check frequently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
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