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How to count items in a Go map?
...ents queued in channel buffer
Here are a couple examples ported from the now-retired SO documentation:
m := map[string]int{}
len(m) // 0
m["foo"] = 1
len(m) // 1
If a variable points to a nil map, then len returns 0.
var m map[string]int
len(m) // 0
Excerpted from Maps - Counting map ele...
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
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Thanks, I'll slap myself now. :)
– Damien Roche
Nov 10 '12 at 10:00
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Recursive file search using PowerShell
...ion. If you want to search for a file with a certain extension, but don't know the name of the file, you can use:
dir -Path C:\FolderName -Filter *.fileExtension -Recurse | %{$_.FullName}
Or vice versa:
dir -Path C:\FolderName -Filter FileName.* -Recurse | %{$_.FullName}
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Reading specific lines only
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linecache now appears to only work for python source files
– Paul H
Oct 11 '17 at 17:32
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Convert string to variable name in JavaScript
...] = 5;
Pretty sure you could then access as tempNamespace.myVarProperty (now 5), avoiding using window for storage. (The string could also be put directly into the brackets)
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JAXB creating context and marshallers cost
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great answer. I can be confident now based on your experience as lead on JAXB.
– Vladimir
Sep 13 '11 at 12:22
7
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In C, how should I read a text file and print all strings
...ad doesn't set it so put a \0 in the last position
// and buffer is now officially a string
buffer[string_size] = '\0';
if (string_size != read_size)
{
// Something went wrong, throw away the memory and set
// the buffer to NULL
free(buff...
Executing multiple commands from a Windows cmd script
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@Gulzar Nazim - Do you know if I can put all the commands in a single batch file with if-else statement as I don't want to maintain it in different batch files?
– Ng2-Fun
Aug 26 '16 at 19:49
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What does HTTP/1.1 302 mean exactly?
...s to this question are based in such document, which is no longer relevant nowadays. Quoting Mark Nottingham who, at the time of writing, co-chairs the IETF HTTP and QUIC Working Groups:
Don’t use RFC2616. Delete it from your hard drives, bookmarks, and burn (or responsibly recycle) any copies...
How do I pipe or redirect the output of curl -v?
...shot of the output appearing on screen that you wish to capture? I don't know what kind of output you could possibly be seeing that could possibly be missed by 2>&1.
– SingleNegationElimination
Mar 26 '11 at 3:40
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