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What is the difference between an int and an Integer in Java and C#?
...ore Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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Is there any significant difference between using if/else and switch-case in C#?
...Are you sure the C# compiler will produce a hash table? The point I made about the hash table in our comment discussion above was about native compilers, not the C# compiler. What threshold does the C# compiler use to produce a hash table?
– Scott Wisniewski
D...
Big-O for Eight Year Olds? [duplicate]
I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
How do I pipe or redirect the output of curl -v?
For some reason the output always gets printed to the terminal, regardless of whether I redirect it via 2> or > or |. Is there a way to get around this? Why is this happening?
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How to get “wc -l” to print just the number of lines without file name?
outputs number of lines and file name.
9 Answers
9
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Undo git reset --hard with uncommitted files in the staging area
...ring added file after doing git reset --hard HEAD^
However, I tried that out on a test repository, and there were a couple of problems - --cached should be --cache, and I found that it didn't actually create the .git/lost-found directory. However, the following steps worked for me:
git fsck --ca...
How to detect my browser version and operating system using JavaScript?
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This Javascript is out of date. Reports Edge and IE 11 as "Netscape 5". Suggest using a maintained library for this functionality like github.com/faisalman/ua-parser-js
– James Boutcher
Mar 12 '19 at 15:48...
How do I reference a javascript object property with a hyphen in it?
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Removed my downvote as another responder pointed out CSS collection happened to be the subject of hte question, but the actual question was how to get a hyphenated property.
– Brian
Aug 19 '11 at 14:51
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Removing Data From ElasticSearch
I'm new to ElasticSearch . I'm trying to figure out how to remove data from ElasticSearch. I have deleted my indexes. However, that doesn't seem to actually remove the data itself. The other stuff I've seen points to the Delete by Query feature. However, I'm not even sure what to query on. I know...
How to inspect the return value of a function in GDB?
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You can debug it as such --
(gdb) r
Starting program: /usr/home/hark/a.out
Breakpoint 1, fun () at test.c:2
2 return 42;
(gdb) finish
Run till exit from #0 fun () at test.c:2
main () at test.c:7
7 return 0;
Value returned is $1 = 42
(gdb)
The finish command can ...