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How to detect if a script is being sourced
...ve with a fallback solution for all remaining shells.
Tip of the hat to Stéphane Desneux and his answer for the inspiration (transforming my cross-shell statement expression into a sh-compatible if statement and adding a handler for other shells).
sourced=0
if [ -n "$ZSH_EVAL_CONTEXT" ]; then
...
Override Java System.currentTimeMillis for testing time sensitive code
...g what is effectively "static" behavior anyway.
– Rogério
Nov 30 '14 at 17:04
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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...!(flags & MSG_MORE) &&
!exthdrlen)
csummode = CHECKSUM_PARTIAL; //硬件计算校验和
cork->length += length;
if (((length > mtu) || (skb && skb_is_gso(skb))) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
(sk->...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...wlist = list(mylist) maybe is more clear though.
– Stéphane
Jul 1 '18 at 22:23
11
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Does PostgreSQL support “accent insensitive” collations?
...critics known to Unicode, and expand ligatures correctly (Thomas
Munro, Léonard Benedetti)
Bold emphasis mine. Now we get:
SELECT unaccent('Œ Æ œ æ ß');
unaccent
----------
OE AE oe ae ss
Pattern matching
For LIKE or ILIKE with arbitrary patterns, combine this with the module pg_trgm ...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...
@AndréLaszlo: The env command certainly allows arguments to be passed to the command. The issue is the semantics of the #! line, and that depends on the kernel. Recent Linux kernels do allow things like #!/usr/bin/env command arg...
Git commits are duplicated in the same branch after doing a rebase
..." onto "Develop-branch"
Push force of changes on "Feature-branch"
As conséquences of this workflow, duplication of all commits of "Feature-branch" since previous rebase... :-(
The issue was due to the pull of changes of child branch before rebase. Git default pull configuration is "merge". This ...
What is the real overhead of try/catch in C#?
... @Windows programmer Stats / source please?
– Kapé
Apr 10 '14 at 9:25
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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...增强现实 (AR) 应用程序的兴趣正在激增。就在上个月，Pokémon Go 成为有史以来最大的手机游戏，这必将激发人们对 VR 和 AR 应用程序的更多兴趣，这些应用程序不仅可以用于游戏和娱乐，还可以用于教育和科学。虽然 VR 和 AR 应...