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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
..., c) = 0
offsetof(struct foo, x) = 1
arr[0].x = 10
arr[1].x = 20
p0 = ffbff317
p1 = ffbff31c
Bus error
In both cases, the program is compiled with no extra options, just gcc packed.c -o packed.
(A program that uses a single struct rather than array doesn't reliably exhibit the problem, since the ...
What's “this” in JavaScript onclick?
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answered May 29 '09 at 12:30
TM.TM.
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How can I debug javascript on Android?
...W JAVASCRIPT CONSOLE at the top of the Browser.
Currently in Android 4.0.3 (Ice Cream Sandwich), the logcat outputs to the browser channel. So you can filter using adb logcat browser:* *:S.
Original Answer
You can use the built in console JavaScript object to print log messages that you can re...
Reducing MongoDB database file size
I've got a MongoDB database that was once large (>3GB). Since then, documents have been deleted and I was expecting the size of the database files to decrease accordingly.
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How to determine if a process runs inside lxc/Docker?
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173
The most reliable way is to check /proc/1/cgroup. It will tell you the control groups of the ini...
How can I convert my device token (NSData) into an NSString?
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39
use this :
NSString * deviceTokenString = [[[[deviceToken description]
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How to get the first word of a sentence in PHP?
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answered Mar 19 '10 at 11:30
codaddictcodaddict
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What is a regular expression for a MAC Address?
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answered Nov 23 '10 at 20:22
netcodernetcoder
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Can constructors throw exceptions in Java?
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356
Yes, constructors can throw exceptions. Usually this means that the new object is immediately ...
How do you keep user.config settings across different assembly versions in .net?
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238
ApplicationSettingsBase has a method called Upgrade which migrates all settings from the previo...