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Variable number of arguments in C++?
...t the va_list type as well as three functions that operate on it called va_start(), va_arg() and va_end().
#include<stdarg.h>
int maxof(int n_args, ...)
{
va_list ap;
va_start(ap, n_args);
int max = va_arg(ap, int);
for(int i = 2; i <= n_args; i++) {
int a = va_arg...
What does “xmlns” in XML mean?
...e is no ambiguity as to what each name element means. All of the tags that start with personxml: are tags belonging to your XML, all the ones that start with cityxml: are mine.
There are a few points to note:
If you exclude any namespace declarations, things are considered to be in the default na...
Android Studio - Auto complete and other features not working
...
Go File > Invalidate Caches / Restart... > Click at Invalidate and Restart
This really works for me. source: https://code.google.com/p/android/issues/detail?id=61844#c4
share
...
Xcode 4: How do you view the console?
...app then you can go into XCode4 preferences -> Alerts and click on 'Run starts' on the left hand column.
Then select 'Show Debugger' and when you run the app the NSLog output will be displayed below the editor pane.
This way you don't have to select on the 'up arrow' button at the bottom bar.
...
Phonegap Cordova installation Windows
...ed anywhere, or at least it is not very clear at all. As one can imagine, starting on one page with running a cordova command and then being taken to another page that says use phonegap, or is it the other way?, is very confusing. Oliver, your link is great, the page is very clear. But I almost o...
Heroku Postgres - terminate hung query (idle in transaction)
... to heroku
(The simple-stupid answer to this question may be ... just restart postgresql. Assuming that's not desirable or not an option ...)
Find the PID by running this sql:
SELECT pid , query, * from pg_stat_activity
WHERE state != 'idle' ORDER BY xact_start;
(The query may need mending...
How do I repeat an edit on multiple lines in Vim?
...a macro, record with:
q a i , ESC j h q
use with:
@ a
Explanation: q a starts recording a macro to register a, q ends recording. There are registers a to z available for this.
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improve th...
Writing to output window of Visual Studio
... Thank you. I assume there is no way to write to output if i start without debugging (ctrl-f5) right?
– previous_developer
Feb 27 '12 at 14:59
1
...
Increasing the maximum number of TCP/IP connections in Linux
...ax_backlog=2000
sysctl net.ipv4.tcp_max_syn_backlog=2048
Now remember to start both your client and server side applications by increasing the FD ulimts, in the shell.
Besides the above one more popular technique used by programmers is to reduce the number of tcp write calls. My own preference is...
How do I get logs/details of ansible-playbook module executions?
...
Thanks. Just greedy: Can I dynamically start/stop logging from a playbook? Like set -x and set +x in a shell script.
– Kashyap
Sep 16 '13 at 16:03
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