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Recommended date format for REST GET API
...rticle. While I agree with the choice of a sortable format if it must be a string at all, a unix timestamp (which the article does not even acknowledge) has every one of the stated benefits and more. Until presentation, the issues of timezones and daylight savings (and political decisions) don't eve...
What does int argc, char *argv[] mean?
...e arguments are passed to main() in C and C++.
argc will be the number of strings pointed to by argv. This will (in practice) be 1 plus the number of arguments, as virtually all implementations will prepend the name of the program to the array.
The variables are named argc (argument count) and ar...
Lambda capture as const reference?
...
In c++14 using static_cast / const_cast:
[&best_string = static_cast<const std::string&>(best_string)](const string& s)
{
best_string = s; // fails
};
DEMO
In c++17 using std::as_const:
[&best_string = std::as_const(best_string)](const string&am...
Is there a simple way to remove multiple spaces in a string?
Suppose this string:
29 Answers
29
...
How to call shell commands from Ruby
...ems.
Here are ways to execute a shell script:
cmd = "echo 'hi'" # Sample string that can be used
Kernel#` , commonly called backticks – `cmd`
This is like many other languages, including Bash, PHP, and Perl.
Returns the result (i.e. standard output) of the shell command.
Docs: http://ruby-...
Stash only one file out of multiple files that have changed with Git?
...athspec arguments' '
>foo &&
>bar &&
>extra &&
git add foo bar extra &&
git stash push -- foo bar &&
test_path_is_missing bar &&
test_path_is_missing foo &&
test_path_is_file extra &&
g...
Pandas conditional creation of a series/dataframe column
...
Update: On 100,000,000 rows, 52 string values, .apply() takes 47 seconds, versus only 5.91 seconds for .map().
– AMC
Feb 10 at 2:18
...
How to ignore xargs commands if stdin input is empty?
... may take advantage of -L <#lines>, -n <#args>, -i, and -I <string>:
ls /empty_dir/ | xargs -n10 chown root # chown executed every 10 args or fewer
ls /empty_dir/ | xargs -L10 chown root # chown executed every 10 lines or fewer
ls /empty_dir/ | xargs -i cp {} {}.bak # every {} is ...
Multiple HttpPost method in Web API controller
...t to set any restriction on the type of the ID? Meaning: how can I accepts string IDs as well?
– frapontillo
Sep 12 '13 at 7:54
5
...
Does Java support default parameter values?
...ys to simulate default parameters in Java:
Method overloading.
void foo(String a, Integer b) {
//...
}
void foo(String a) {
foo(a, 0); // here, 0 is a default value for b
}
foo("a", 2);
foo("a");
One of the limitations of this approach is that it doesn't work if you have two optional ...