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PHP/MySQL insert row then get 'id'
...");
$id = mysqli_insert_id($link);
See mysqli_insert_id().
Whatever you do, don't insert and then do a "SELECT MAX(id) FROM mytable". Like you say, it's a race condition and there's no need. mysqli_insert_id() already has this functionality.
...
iOS 7 - Status bar overlaps the view
... made to resolve this issue. In the storyboard, I moved my views 20 pixels down to look right on iOS 7 and in order to make it iOS 6 compatible, I changed Delta y to -20.
Since my storyboard is not using auto-layout, in order to resize the height of views properly on iOS 6 I had to set Delta h...
What is the correct way to start a mongod service on linux / OS X?
I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service.
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Download single files from GitHub
...ss most of you, developers, use any VCS , and I hope some of you use Git. Do you have any tip or trick how to get a download URL for a single file in a repository?
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What does “where T : class, new()” mean?
... parameter-less default constructor.
That means T can't be an int, float, double, DateTime or any other struct (value type).
It could be a string, or any other custom reference type, as long as it has a default or parameter-less constructor.
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How to hide image broken Icon using only CSS/HTML?
...pg'"/>
Update
You can apply this logic to multiple images at once by doing something like this:
document.addEventListener("DOMContentLoaded", function(event) {
document.querySelectorAll('img').forEach(function(img){
img.onerror = function(){this.style.display='none';};
})
});...
How to print out the contents of a vector?
...:cout << *i << ' ';
C++11 also introduced a type alias, which does the same job as a typedef and you may find more readable than using typedef:
using Path = std::vector<char>; // C++11 onwards only
Path path;
// ...
for (Path::const_iterator i = path.begin(); i != path.end(); ++i)...
How can I convert a string to boolean in JavaScript?
...
Do:
var isTrueSet = (myValue == 'true');
You could make it stricter by using the identity operator (===), which doesn't make any implicit type conversions when the compared variables have different types, instead of the eq...
Split a module across several files
...vector_a which has some implementation of a special kind of vector. But we don't want clients of your library to care that there is a vector_a sub-module. Instead, we'd like to make it available in the math::vector module. This is done with pub use self::vector_a::VectorA, which re-exports the vecto...
How do I add an icon to a mingw-gcc compiled executable?
In Windows, using mingw's gcc, is there anyway to specify that the output exe file is to take an icon file, so that the exe file shows with that icon in explorer?
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