大约有 44,000 项符合查询结果（耗时：0.0540秒） [XML]
C dynamically growing array
I have a program that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes...
...
Executing multi-line statements in the one-line command-line?
...
this style can be used in makefiles too (and in fact it is used quite often).
python - <<EOF
import sys
for r in range(3): print 'rob'
EOF
or
python - <<-EOF
import sys
for r in range(3): print 'rob'
EOF
in latter case leading tab character...
Understanding generators in Python
I am reading the Python cookbook at the moment and am currently looking at generators. I'm finding it hard to get my head round.
...
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...egister it as an observer for the UIApplicationDidBecomeActiveNotification and specify which method that you want to call when that notification gets sent to your application.
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(someMeth...
MySQL case insensitive select
...f a MySQL SELECT query is case sensitive or case insensitive by default? And if not, what query would I have to send so that I can do something like:
...
How to make a copy of a file in android?
...
To copy a file and save it to your destination path you can use the method below.
public static void copy(File src, File dst) throws IOException {
InputStream in = new FileInputStream(src);
try {
OutputStream out = new File...
How do I delete an Azure storage account containing a leased blob?
...virtual machines. In the end, I deleted the virtual machine (successfully) and tried to delete the associated storage account.
...
In Python, how does one catch warnings as if they were exceptions?
... warnings. I want to be able to use the try except syntax to properly handle these warnings. Is there a way to do this?
...
Error: Jump to case label
...the same issue but using a goto instead of a switch:
int main() {
if(rand() % 2) // Toss a coin
goto end;
int i = 42;
end:
// We either skipped the declaration of i or not,
// but either way the variable i exists here, because
// variable scopes are resolved at compi...
Fastest way to flatten / un-flatten nested JSON objects
I threw some code together to flatten and un-flatten complex/nested JSON objects. It works, but it's a bit slow (triggers the 'long script' warning).
...