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When should you use constexpr capability in C++11?
... pi = 3.1415f;
// Haven't you always wanted to do this?
// constexpr std::string awesome = "oh yeah!!!";
// UPDATE: sadly std::string lacks a constexpr ctor
struct A
{
static const int four = 4;
static const int five = 5;
constexpr int six = 6;
};
int main()
{
&A::four; // linker ...
PHP Get Site URL Protocol - http vs https
... server configuration do you talk about, storing https information on this string coming from the http query?
– regilero
Feb 3 '15 at 14:48
2
...
Remove by _id in MongoDB console
...id field is not automatically generated (i.e. it is not an ObjectId, but a String), You can just write the value of the _id under quotation marks: db.your.database.remove({"_id": "your value"}).
– Aleksandar
Jun 4 '18 at 16:39
...
Entity Framework: There is already an open DataReader associated with this Command
...ecuted). You can also try to cast the query to ObjectQuery and call ToTraceString to see the SQL command. It is hard to track. I always turn on MARS.
– Ladislav Mrnka
Feb 1 '11 at 22:27
...
Remove NA values from a vector
...
?max shows you that there is an extra parameter na.rm that you can set to TRUE.
Apart from that, if you really want to remove the NAs, just use something like:
myvec[!is.na(myvec)]
...
How do I put variables inside javascript strings?
... accepted answer... though preferably it would also mention ES6's template strings (which admittedly didn't exist in 2011). We really should be able to wiki-hijack old questions to keep them updated. :\
– Kyle Baker
Jun 21 '16 at 16:03
...
iOS UIImagePickerController result image orientation after upload
...ker: UIImagePickerController,
didFinishPickingMediaWithInfo info: [String : Any]){
let chosenImage = info[UIImagePickerControllerOriginalImage] as! UIImage
profileImg.contentMode = .scaleAspectFill
let fixOrientationImage=chosenImage.fixOrientation()
profileIm...
How to implement a property in an interface
...nterface, you specify the property:
public interface IResourcePolicy
{
string Version { get; set; }
}
In the implementing class, you need to implement it:
public class ResourcePolicy : IResourcePolicy
{
public string Version { get; set; }
}
This looks similar, but it is something complet...
When to use std::begin and std::end instead of container specific versions [duplicate]
...
Not inertia only, but also autocomplete and few extra letters for std:: if you (or your style guide) avoid ADL. From my practice, places where free begin/end are truly needed are exceedingly rare.
– user2665887
Oct 6 '14 at 7:58
...
Cannot install node modules that require compilation on Windows 7 x64/VS2012
...CMD prompt as Admin may also work, but I had success with PowerShell. The extra tooling and UNIX-like command support may be part of why it works, though running it as Admin was the bigger solution.
– Michael M
May 16 '18 at 21:36
...