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What and where are the stack and heap?
...ts the stack is reclaimed. The heap is typically allocated at application startup by the runtime, and is reclaimed when the application (technically process) exits.
What determines the size of each of them?
The size of the stack is set when a thread is created. The size of the heap is set ...
Reading a binary file with python
...ontent = file.read()
then "unpack" binary data using struct.unpack:
The start bytes: struct.unpack("iiiii", fileContent[:20])
The body: ignore the heading bytes and the trailing byte (= 24); The remaining part forms the body, to know the number of bytes in the body do an integer division by 4; T...
Put buttons at bottom of screen with LinearLayout?
... android:layout_height="wrap_content"
android:layout_gravity="start"
android:layout_weight=".18"
android:scaleType="fitCenter"
android:background="@drawable/action_bar_left_button"
android:src="@drawable/logo"/>
<ImageView
android:id="@...
Why does Git tell me “No such remote 'origin'” when I try to push to origin?
...
Two problems:
1 - You never told Git to start tracking any file
You write that you ran
git init
git commit -m "first commit"
and that, at that stage, you got
nothing added to commit but untracked files present (use "git add" to track).
Git is telling you tha...
Postgres: “ERROR: cached plan must not change result type”
...olumns being returned in the above SELECT statement.
I resolved this by restarting the application after the database table was modified. This reset the database connection, allowing the prepared statement to execute without errors.
...
Why should eval be avoided in Bash, and what should I use instead?
...
There's more to this problem than meets the eye. We'll start with the obvious: eval has the potential to execute "dirty" data. Dirty data is any data that has not been rewritten as safe-for-use-in-situation-XYZ; in our case, it's any string that has not been formatted so as to b...
Process all arguments except the first one (in a bash script)
...ve any output. It just discards $1 and shifts everything down. 2) $(...) starts a subshell, which has its own local arguments. It shifts the arguments in the subshell, which does not affect the parent
– Ben Jackson
Jun 3 '15 at 22:36
...
Why must wait() always be in synchronized block
...oked inside synchronized block
which assures that when synchronized block starts then everything will be read from main
memory and will be flushed into main memory before exiting the synchronized block.
synchronized(monitor) {
boolean wasNotified = false;
while(!wasNotified) {
wa...
What is the most compatible way to install python modules on a Mac?
I'm starting to learn python and loving it. I work on a Mac mainly as well as Linux. I'm finding that on Linux (Ubuntu 9.04 mostly) when I install a python module using apt-get it works fine. I can import it with no trouble.
...
Maven command to list lifecycle phases along with bound goals?
...
This answer would be perfect if it started off with FibreFoX's comment.
– UFL1138
Dec 7 '16 at 17:48
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