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Are nested span tags OK in XHTML?
Will this validate in XHTML?
3 Answers
3
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C#/Linq: Apply a mapping function to each element in an IEnumerable?
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Be aware that if your map has side-effects you may run into trouble since the body of the Select() won't necessarily be executed until it's enumerated. Not that it's a great idea to do that, but there may be some situations where you may need to add ToList...
Automatic creation date for Django model form objects?
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auto_now and auto_now_add are considered evil, so try to avoid them. This answer explains why and provides a better approach, overriding the save() method.
– gregoltsov
Jan 30 '14 at 13:15
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Checking user's homepage in Internet Explorer
...ata) tells the browser to store this as session information on the client side or browser memory.
More information here: http://msdn.microsoft.com/en-us/library/ms533015(v=vs.85).aspx
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Sublime text 2 - find and replace globally ( all files and in all directories )
...ou need. If nothing is set, the search is made on all files listed in the sidebar.
If you double click on a line of the search result, Sublime will jump to that line.
Notice these icons in the search bar:
The first (show context) toggles context in result format (if enabled, some lines of text ...
Tool to generate JSON schema from JSON data [closed]
...asy and handy place to start. But note reported issues with jsonschema.net identified elsewhere on this page, and the reasons discussed for wanting an offline, or at least API-accessible, tool to include in development workflows, allow updating of schemas with later example etc. See also the nice li...
Disable vertical scroll bar on div overflow: auto
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These two CSS properties can be used to hide the scrollbars:
overflow-y: hidden; // hide vertical
overflow-x: hidden; // hide horizontal
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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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wait also (optionally) takes the PID of the process to wait for, and with $! you get the PID of the last command launched in background.
Modify the loop to store the PID of each spawned sub-process into an array, and then loop again waiting on each PID.
# ru...
How does one escape backslashes and forward slashes in VIM find/search?
...d a list in the documentation, but I'm pretty sure at least /:;*%@# are valid.
– Cascabel
Mar 17 '10 at 20:12
This com...
Check whether a string contains a substring
... answered Sep 2 '11 at 13:04
David W.David W.
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