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In PHP, can you instantiate an object and call a method on the same line?
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The feature you have asked for is available from PHP 5.4. Here is the list of new features in PHP 5.4:
http://php.net/manual/en/migration54.new-features.php
And the relevant part from the new features list:
Class member access on instantiation has been added, e.g...
What is a “bundle” in an Android application
...ctivity(in);
In the second activity, we have to access the data passed from the first activity
Intent in = getIntent();
Now, you need to get the data from the bundle
Bundle b = in.getExtras();
Finally, get the value of the string data associated with key named "myname"
String s = b.getStr...
Structure padding and packing
... struct in an array */
} x;
Packing, on the other hand prevents compiler from doing padding - this has to be explicitly requested - under GCC it's __attribute__((__packed__)), so the following:
struct __attribute__((__packed__)) mystruct_A {
char a;
int b;
char c;
};
would produce s...
How to set default value for form field in Symfony2?
... In my testing empty_data doesn't allow me to override the default value from a field submitted empty, e.g. if you want to save to the database as 0 instead of NULL. This bug is still outstanding as far as I can tell: github.com/symfony/symfony/issues/5906
– Chadwick Meyer
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How to get object length [duplicate]
... hasOwnProperty is there to make sure that you're only counting properties from the object literal, and not properties it "inherits" from its prototype.
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What is pip's equivalent of `npm install package --save-dev`?
...about a better pip workflow to better handle pip updates.
Edit 2
Linked from the "better pip workflow" article above it is now recommended to use pipenv to manage requirements and virtual environments. Having used this a lot recently I would like to summarise how simple the transition is:
Instal...
Determine if two rectangles overlap each other?
I am trying to write a C++ program that takes the following inputs from the user to construct rectangles (between 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
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git-checkout older revision of a file under a new name
...ing tree’s root directory. This is most useful to address a blob or tree from a commit or tree that has the same tree structure as the working tree.
Note that <path> here is FULL path relative to the top directory of your project, i.e. the directory with .git/ directory. (Or to be m...
Are string.Equals() and == operator really same? [duplicate]
Are they really same? Today, I ran into this problem. Here is the dump from the Immediate Window:
8 Answers
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Git: Remove committed file after push
...concile his local branch head with the central one:
To remove file change from last commit:
to revert the file to the state before the last commit, do:
git checkout HEAD^ /path/to/file
to update the last commit with the reverted file, do:
git commit --amend
to push the updated commit to the r...