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Flatten an irregular list of lists
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it's a pre-order traversal of the tree formed by the nested lists. only the leaves are returned. Note that this implementation will consume the original data structure, for better or worse. Could be fun to write one that both preserv...
How can I do a case insensitive string comparison?
...hich it would make NO sense to implement the other. For example, you could order sensor samplings by time without any of them being equal (IComparable). And, you can indicate whether things are equal (IEquatable) but it makes no sense to order them (say, computer serial numbers).
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Change default global installation directory for node.js modules in Windows?
...|npm-cache) (do this as an administrator):
create an [NODE_INSTALL_PATH]\etc\ directory
this is needed before you try npm config --global ... actions
create the global (admin) location(s) for npm modules
C:\ProgramData\npm-cache - npm modules will go here
C:\ProgramData\npm - binary scripts f...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
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Oh, and if you don't want the backup, run rm -f /etc/hosts.bak after running the sed. That's simpler than trying to work out which variant of sed you have installed or other gizmos I've seen suggested. I hope you keep the file under version control (or otherwise backed up...
How to get key names from JSON using jq
... Thank you very much! but now one more problem. : ( I am getting different orders when i get keys alone and when i get values alone : (
– Ezhilan Mahalingam
Apr 16 '14 at 20:13
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Rails 4: assets not loading in production
...ails application server (puma, unicorn) serve Rails code and template. In order to do so, you should turn off config.serve_static_files, and configure alias in Apache and nginx to deal with assets.
– Châu Hồng Lĩnh
Jun 5 '16 at 2:16
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setMaxResults for Spring-Data-JPA annotation?
...ords that allow you to define query methods like this:
findTop10ByLastnameOrderByFirstnameAsc(String lastname);
Spring Data will automatically limit the results to the number you defined (defaulting to 1 if omitted). Note that the ordering of the results becomes relevant here (either through an O...
How does the const constructor actually work?
...peated calculations, or to make it possible to impose a meaningful sorting order.
This means that const expressions like const Foo(1, 1) can represent any usable form that is useful for comparison in virtual machine.
The VM only needs to take into account the value type and arguments in the orde...
Read data from SqlDataReader
...query or the firstt column on the table. I have a table with 3 columns in order: ID, Dir, Email. My command selects dir and email. Will reader.GetStrting(0) retrieve dir or ID? Are the indexes based off the table itself on SQL Server or off the query you executed to select columns from a table?
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Recursive file search using PowerShell
... switches? They are terrible and remove features randomly. For example, in order to use -Include with a file, you must end the path with a wildcard. However, this disables the -Recurse switch without telling you:
Get-ChildItem -File -Recurse -Path ./bin/* -Include *.lib
You'd think that would giv...