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C++ SFINAE examples?
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Heres one example (from here):
template<typename T>
class IsClassT {
private:
typedef char One;
typedef struct { char a[2]; } Two;
template<typename C> static One test(int C::*);
// Will be chosen if T is anything...
@UniqueConstraint and @Column(unique = true) in hibernate annotation
...= true) is a shortcut to UniqueConstraint when it is only a single field.
From the example you gave, there is a huge difference between both.
@Column(unique = true)
@ManyToOne(optional = false, fetch = FetchType.EAGER)
private ProductSerialMask mask;
@Column(unique = true)
@ManyToOne(optional = f...
How to do a JUnit assert on a message in a logger
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How do you stop the test from failing if you log an Error?
– Ghilteras
Dec 13 '18 at 1:41
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Favicon dimensions? [duplicate]
...2x32 picture last: it is good enough for Firefox, and that will prevent it from downloading a big picture it does not need. edit: fixed in 2016.
Also note that Chrome does not support the sizes attribute and tends to load all declared icons. Better not declare too many icons. edit: fixed in 2018.
Mo...
Python decorators in classes
...ables when declaring the class. Did you want to do something to the class from within the decorator? I do not think that is an idiomatic usage.
– Michael Speer
Aug 12 '09 at 14:21
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Write a program that will surely go into deadlock [closed]
...ertainty of deadlock. In some sense, the distinction is an academic issue. From a practical standpoint, I'd certainly like to see a running system that doesn't deadlock with the code I've written above :)
However, interview questions can be academic at times, and this SO question does have the word...
How can I get browser to prompt to save password?
...eliably, some browsers do not trigger the "remember" feature if you submit from Javascript.
– JustAMartin
Dec 8 '17 at 15:46
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show 2 more c...
How to make the python interpreter correctly handle non-ASCII characters in string operations?
...eplace(u"Â ", u"") But in Python 3, just use quotes. In Python 2, you can from __future__ import unicode_literals to obtain the Python 3 behavior, but be aware this affects the entire current module.
s.replace(u"Â ", u"") will also fail if s is not a unicode string.
string.replace returns a new st...
How to programmatically display version/build number of target in iOS app?
...much signal in his answer. 2. This is swift, that is objective-c. 3. Thats from ios5 era
– Esqarrouth
Nov 27 '15 at 19:18
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How to print a number with commas as thousands separators in JavaScript
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I used the idea from Kerry's answer, but simplified it since I was just looking for something simple for my specific purpose. Here is what I did:
function numberWithCommas(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
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