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The aLongTimeAgo time value in net and net/http is used to cancel in-flight read and writes. It was set to time.Unix(233431200, 0) which seemed like far enough in the past. But Raspberry Pis, lacking a real time clock, had to spoil the fun and boot in 1970 at the Unix epoch time, breaking assumptions in net and net/http. So change aLongTimeAgo to time.Unix(1, 0), which seems like the earliest safe
Added -S flag to print go source file line above corresponding disassembly: $ go tool objdump -S -s main.main fmthello TEXT main.main(SB) /home/rugginoso/Documents/src/go/src/cmd/objdump/testdata/fmthello.go func main() { 0x47d450 64488b0c25f8ffffff FS MOVQ FS:0xfffffff8, CX 0x47d459 483b6110 CMPQ 0x10(CX), SP 0x47d45d 7631 JBE 0x47d490 0x47d45f 4883ec18 SUBQ $0x18, SP 0x47d463 48896c2410 MOVQ BP,
"go env" prints Go environment information as a shell script format by default but it's difficult for some tools (e.g. editor packages) to interpret it. The -json flag prints the environment in JSON format which can be easily interpreted by a lot of tools. $ go env -json { "CC": "gcc", "CGO_CFLAGS": "-g -O2", "CGO_CPPFLAGS": "", "CGO_CXXFLAGS": "-g -O2", "CGO_ENABLED": "1", "CGO_FFLAGS": "-g -O2",
DECISION IS MADE - we'll be using TOML. At the time dep went public, the committee was generally in agreement that we would prefer to use TOML or YAML over JSON for the manifest and lock files. There are a few reasons for this, but the primary one is that those formats, unlike JSON, allow users to include arbitrary comments. Because the manifest is the locus of dependency decisionmaking for teams,
There were no allocations in regexp.Match for *non* onepass regex because m.matchcap length is reset to zero (ncap=0 for regexp.Match). But, as for onepass regex, m.matchcap length remains as it is even when ncap=0 and it leads needless allocations. benchmark old ns/op new ns/op delta BenchmarkMatch_onepass_regex/32-4 6465 4628 -28.41% BenchmarkMatch_onepass_regex/1K-4 208324 151558 -27.25% Benchm
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