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Firefox session cookies
...
This is apparently by design. Check out this Bugzilla bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=443354
Firefox has a feature where you close Firefox and it offers to save all your tabs, and then you restore the browser and those tabs c...
Change values while iterating
...ied, making the original value untouchable.
This behavior is demonstrated by the following code:
x := make([]int, 3)
x[0], x[1], x[2] = 1, 2, 3
for i, val := range x {
println(&x[i], "vs.", &val)
}
The code prints you completely different memory locations for the value from range a...
How to update a value, given a key in a hashmap?
...ou can update with your requirement. Here I am updating to increment value by 1.
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How do I execute inserts and updates in an Alembic upgrade script?
...e following example:
from alembic import op
# revision identifiers, used by Alembic.
revision = '1ce7873ac4ced2'
down_revision = '1cea0ac4ced2'
branch_labels = None
depends_on = None
def upgrade():
# ### commands made by andrew ###
op.execute('UPDATE STOCK SET IN_STOCK = -1 WHERE IN_STOC...
Practical usage of setjmp and longjmp in C
...
And in the footnote 248) it reads: "For example, by executing a return statement or because another longjmp call has caused a transfer to a setjmp invocation in a function earlier in the set of nested calls." So calling a longjmp funtion out of a function to a point further...
renamed heroku app from website, now it's not found
...
The Answer by James Ward is also correct, alternatively try doing this:
1). open a terminal
2). Go to your_app_directory/.git/config
3). Once you open the config file then edit as follows:
Change
url = git@heroku.com:old_app_name.g...
Specifying and saving a figure with exact size in pixels
..._dpi), dpi=my_dpi)
So you basically just divide the dimensions in inches by your DPI.
If you want to save a figure of a specific size, then it is a different matter. Screen DPIs are not so important anymore (unless you ask for a figure that won't fit in the screen). Using the same example of the...
The difference between the Runnable and Callable interfaces in Java
...both are designed
for classes whose instances are
potentially executed by another
thread. A Runnable, however, does not
return a result and cannot throw a
checked exception.
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impro...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
... executed is /bin/sh -c bash. This allowed Docker to implement RUN quickly by relying on the shell's parser.
Later on, people asked to be able to customize this, so ENTRYPOINT and --entrypoint were introduced.
Everything after ubuntu in the example above is the command and is passed to the entrypo...
How to get the name of enumeration value in Swift?
...ode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabinsk, Bursa
}
let city = City.Melbourn...