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How to check if an element is in an array
...ide the array (and the item we are searching for) is of type Dictionary<String, AnyObject>? Trying to achieve that but I get compile-time error.
– ppalancica
Apr 29 '15 at 21:18
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std::find，std::find_if使用小结 - C/C++ - 清泛网 - 专注C/C++及内核技术
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int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
std::vector<std::string> vec;
vec.push_back("one");
vec.push_back("two");
vec.push_back("three");
//查找
std::vector<std::string>::iterator it = std::find(vec.begin(), vec.end(), "two");
if (it != vec.end())
printf("find:%s\n...
How to Query an NTP Server using C#?
...rver using C# to get the Date Time of the NTP Server returned as either a string or as a DateTime .
6 Answers
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Selecting multiple columns in a pandas dataframe
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The column names (which are strings) cannot be sliced in the manner you tried.
Here you have a couple of options. If you know from context which variables you want to slice out, you can just return a view of only those columns by passing a list into the...
Error handling in C code
...r if struct is really large) and have a function to format the struct as a string.
– Winger Sendon
Sep 27 '18 at 22:50
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Why does CSS not support negative padding?
... if more content overflows it, which is impossible if the content is in an extra abs-pos sibling. Negative padding would take the padding-collapsed element back to its size.
– sergio
Jul 19 '15 at 19:29
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What's the best way to unit test protected & private methods in Ruby?
...------------------------------ Object#instance_eval
obj.instance_eval(string [, filename [, lineno]] ) => obj
obj.instance_eval {| | block } => obj
------------------------------------------------------------------------
Evaluates a string containing Ruby...
Rename Files and Directories (Add Prefix)
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rename '' <prefix> *
This finds the first occurrence of the empty string (which is found immediately) and then replaces that occurrence with your prefix, then glues on the rest of the file name to the end of that. Done.
For suffixes, you need to use the perl version or use find.
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What is the best practice for dealing with passwords in git repositories?
...ld have.
Often config values can be non obvious, like database connection strings and similar things.
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Is it possible to pass a flag to Gulp to have it run tasks in different ways?
...ulp-uglify');
var minimist = require('minimist');
var knownOptions = {
string: 'env',
default: { env: process.env.NODE_ENV || 'production' }
};
var options = minimist(process.argv.slice(2), knownOptions);
gulp.task('scripts', function() {
return gulp.src('**/*.js')
.pipe(gulpif(options...