大约有 40,000 项符合查询结果（耗时：0.0578秒） [XML]
IOCTL Linux device driver [closed]
... /sys/ and read/write that to get information from and to the driver. An example of how to set this up:
static ssize_t mydrvr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", DRIVER_RELEASE);
}
static DEVICE_ATTR(version, S_IRUGO,...
Visual Studio move project to a different folder
...
That's what I did, but I thought there is a way to do all that without removing the whole project, which makes me then re-add all the dependencies.
– Egor Pavlikhin
Apr 12 '10 at 21:48
...
XMLHttpRequest status 0 (responseText is empty)
...open code:
if (isLocalHost()){
if (typeof(netscape) != 'undefined' && typeof(netscape.security) != 'undefined'){
netscape.security.PrivilegeManager.enablePrivilege('UniversalBrowserRead');
}
}
For IE, if I remember right, all you have to do is enable the browser's Securi...
How can I profile Python code line-by-line?
...
can anyone show how to actually use this library? The readme teaches how to install, and answers various FAQs, but doesn't mention how to use it after a pip install..
– cryanbhu
Jul 25 '18 at 3:28
...
iOS Detect 3G or WiFi
...ags flags;
BOOL success = SCNetworkReachabilityGetFlags(reachability, &flags);
CFRelease(reachability);
if (!success) {
return ConnectionTypeUnknown;
}
BOOL isReachable = ((flags & kSCNetworkReachabilityFlagsReachable) != 0);
BOOL needsConnection = ((flags &am...
Using %f with strftime() in Python to get microseconds
...
Not if you want to use %z
– vallentin
Feb 12 '17 at 0:25
@Vallentin pretty sure it's the oppos...
how to rotate a bitmap 90 degrees
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In case you don't need the original bitmap, call bitmap.recycle() to be certain.
– Nick Bedford
Feb 12 '19 at 10:47
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Revert to a commit by a SHA hash in Git? [duplicate]
...ample, I want to revert to a commit six commits behind the head, reverting all the changes in the intermediary commits in between.
...
Different types of thread-safe Sets in Java
...
developer.com/java/article.php/10922_3829891_2/… < even better than a book )
– ycomp
Oct 18 '15 at 4:51
...
Easiest way to check for an index or a key in an array?
...et (applies to both indexed and associative array)
[ ${array[key]+abc} ] && echo "exists"
Basically what ${array[key]+abc} does is
if array[key] is set, return abc
if array[key] is not set, return nothing
References:
See Parameter Expansion in Bash manual and the little note
i...