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How does git store files?
...r-file history, when it wants to do delta compression, it takes each blob, selects some blobs that are likely to be similar (using heuristics that includes the closest approximation of previous version and some others), tries to generate the deltas and picks the smallest one. This way it can (often,...
嵌套块验证失败：未知的代码块类型: procedures_ifreturn，已拒绝添加 - AI...
...部分已修复导入ble：Cannot read properties of undefined (reading 'selectedComponents')✓ 代码块已整理 但是没有效果❌ 失败 1 项：
• 代码块添加失败，工作区已恢复: Cannot read properties of undefined (reading 'length')[
{
"action": "ADD_BLOCK",
"x...
How do you get current active/default Environment profile programmatically in Spring?
...ar functionality using the annotation @Profile("local") Profiles allow for selective configuration based on a passed-in or environment parameter. Here is more information on this technique: Spring Profiles
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Where is Erlang used and why? [closed]
...; none.
That's 5 different versions of the access function.
Erlang will select the most appropriate version given the arguments received. (Config is a structure of type #config which has a type attribute).
That means it is very easy and much clearer than chaining if/else or switch/case to make b...
Avoid browser popup blockers
... Interestingly, popups initiated through a change event bound to a select element will get blocked (in Chrome, not FF), even though that event is initiated by a direct user action, like a click. Although if bound to an input, they're allowed. Strange.
– ccnokes
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How to add multi line comments in makefiles
...ng your makefiles in VIM:
Either decide which lines you want to comment or select them with 'v'.
Then you can use the regex s/^/#/ to comment out the lines
and s/^#// to revert them.
--Notes--
To open the vim command line, press : (colon)
To prep the command for the next 'n' lines, use .,+n
A ...
What is the difference between and ?
...m CSS (hyphens: auto), then lang attribute is required to allow browser to select proper set of rules.
– RobertT
Oct 30 '14 at 2:42
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Determining 32 vs 64 bit in C++
...lt;sizeof(size_t)>(); }
int main()
{
// appropriate function will be selected at compile time
DoMyOperation();
return 0;
}
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postgresql port confusion 5433 or 5432?
...instances running so make sure you're connecting to the right one by using select version() and SHOW data_directory;.
You can also specify a unix socket directory; check the unix_socket_directories setting of the PostgreSQL instance you wish to connect to and specify that with psql -h, e.g.psql -h...
vim, switching between files rapidly using vanilla Vim (no plugins)
...gh all the files starting with 'foo' in the directory tree under ./src and select the one you want to edit.
If you have already edited the file and it is still in a buffer then you can switch to it with:
:b foo<tab>
which will cycle through all the buffers with 'foo' in the path.
You may n...