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What is the best way to use a HashMap in C++?
...argc, char **argv)
{
std::map<std::string, int> m;
m["hello"] = 23;
// check if key is present
if (m.find("world") != m.end())
std::cout << "map contains key world!\n";
// retrieve
std::cout << m["hello"] << '\n';
std::map<std::string, int>::iterator i...
Make a Bash alias that takes a parameter?
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2193
Bash alias does not directly accept parameters. You will have to create a function.
alias does ...
Mapping over values in a python dictionary
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376
There is no such function; the easiest way to do this is to use a dict comprehension:
my_dict...
to remove first and last element in array
...amp;last', to: bin});
– iConnor
Aug 31 '13 at 8:56
3
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Best way to hide a window from the Alt-Tab program switcher?
...
13 Answers
13
Active
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SQLite - UPSERT *not* INSERT or REPLACE
...e
UPSERT support in SQLite! UPSERT syntax was added to SQLite with version 3.24.0!
UPSERT is a special syntax addition to INSERT that causes the INSERT to behave as an UPDATE or a no-op if the INSERT would violate a uniqueness constraint. UPSERT is not standard SQL. UPSERT in SQLite follows the syn...
+ operator for array in PHP?
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273
Quoting from the PHP Manual on Language Operators
The + operator returns the right-hand arra...
Visual Studio loading symbols
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Herman Cordes
3,71677 gold badges4444 silver badges7979 bronze badges
answered Sep 21 '10 at 11:35
peterfoldipeterf...
How do I get git to default to ssh and not https for new repositories
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311
Set up a repository's origin branch to be SSH
The GitHub repository setup page is just a sugg...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...f --git a/DbConnector b/DbConnector
new file mode 160000
index 0000000..c3f01dc
--- /dev/null
+++ b/DbConnector
@@ -0,0 +1 @@
+Subproject commit c3f01dc8862123d317dd46284b05b6892c7b29bc
虽然 DbConnector 是工作目录中的一个子目录，但 Git 还是会将它视作一个子模...