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Concatenating two std::vectors
...t;
#include <iostream>
#include <iterator>
int main(int argc, char** argv) {
std::vector<int> dest{1,2,3,4,5};
std::vector<int> src{6,7,8,9,10};
// Move elements from src to dest.
// src is left in undefined but safe-to-destruct state.
dest.insert(
dest.end(...
Cannot delete directory with Directory.Delete(path, true)
...Just slap this code into your project.
public static void DeleteDirectory(string target_dir)
{
string[] files = Directory.GetFiles(target_dir);
string[] dirs = Directory.GetDirectories(target_dir);
foreach (string file in files)
{
File.SetAttributes(file, FileAttributes.Nor...
What does if __name__ == “__main__”: do?
...in program, e.g.
python foo.py
the interpreter will assign the hard-coded string "__main__" to the __name__ variable, i.e.
# It's as if the interpreter inserts this at the top
# of your module when run as the main program.
__name__ = "__main__"
When Your Module Is Imported By Another
On the other...
Escape double quote character in XML
... &quot; is not correctly interpreted by Android when the string is surrounded with double quotes. In this case E-max answer is the only one to work.
– Softlion
Apr 1 '18 at 6:10
...
Best explanation for languages without null
...ce type gets this extra state in its space that is typically undesired. A string variable could be any sequence of characters, or it could be this crazy extra null value that doesn't map into my problem domain. A Triangle object has three Points, which themselves have X and Y values, but unfortuna...
CSS: Control space between bullet and
...re any javascript or new features development etc had a good reason to add extra spans to your content, things could get messy)
– user56reinstatemonica8
Aug 7 '12 at 11:01
...
Adding two Java 8 streams, or an extra element to a stream
I can add streams or extra elements, like this:
8 Answers
8
...
Can a JSON value contain a multiline string
...control characters" so, no, you may not have a literal newline within your string. However you may encode it using whatever combination of \n and \r you require.
The JSONLint tool confirms that your JSON is invalid.
Update: And if you want to write newlines inside your JSON syntax without actual...
What are the lesser known but useful data structures?
... tries are also an interesting variant, where you use only a prefix of the strings as nodes and otherwise store lists of strings in the nodes.
– Torsten Marek
Feb 1 '09 at 19:16
...
Specifying Style and Weight for Google Fonts
...
for semi-bold
font-weight:600;
for bold (700)
font-weight:bold;
for extra bold (800)
font-weight:800;
Like this its fallback proof, so if the google font should "fail" your backup font Arial/Helvetica(Sans-serif) use the same weight as the google font.
Pretty smart :-)
Note that the diff...