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In what cases do I use malloc and/or new?
... Always use new.
If you need a big chunk of data just do something like:
char *pBuffer = new char[1024];
Be careful though this is not correct:
//This is incorrect - may delete only one element, may corrupt the heap, or worse...
delete pBuffer;
Instead you should do this when deleting an arra...
RandomForestClassifier vs ExtraTreesClassifier in scikit learn
Can anyone explain the difference between the RandomForestClassifier and ExtraTreesClassifier in scikit learn. I've spent a good bit of time reading the paper:
...
How to use a RELATIVE path with AuthUserFile in htaccess?
... @MarcoDemaio Yes, it can/could be tricked by using, for instance, the IP address. It depends on your configuration. It's not an absolute yes or no. It depends.
– Maxime
May 23 '19 at 17:40
...
get string value from UISegmentedControl
...
Objective-C
NSString *title = [segment titleForSegmentAtIndex:segment.selectedSegmentIndex];
Swift:
let title = segment.titleForSegment(at: segment.selectedSegmentIndex)
...
Accessing the index in 'for' loops?
... @user12379095 you probably have the data in the wrong type (a string) and you need to convert it to an actual list of numbers instead of a string. That is somewhat off topic here, please delete your comment and flag mine to be deleted as no longer needed when you see this.
...
IOCTL Linux device driver [closed]
...vr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", DRIVER_RELEASE);
}
static DEVICE_ATTR(version, S_IRUGO, mydrvr_version_show, NULL);
And during driver setup:
device_create_file(dev, &dev_attr_version);
You would then ha...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
.../centos/RPM-GPG-KEY-CentOS-6
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/6.7/extras/$basearch/
http://mirrors.aliyuncs.com/centos/$releasever/extras/$basearch/...
How to host a Node.Js application in shared hosting [closed]
...(a shared server) using:
wget <path to download file>
tar -xf <gzip file>
mv <gzip_file_dir> node
This will download the tar file, extract to a directory and then rename that directory to the name 'node' to make it easier to use.
then
./node/bin/npm install jt-js-sample
Retu...
Is there a minlength validation attribute in HTML5?
...from constraint validation.
<input pattern=".{3,}" required title="3 characters minimum">
<input pattern=".{5,10}" required title="5 to 10 characters">
If you want to create the option to use the pattern for "empty, or minimum length", you could do the following:
<input pattern=...
Reading/writing an INI file
...t more difficult. (I'm looking at you, database "providers" and connection strings.) So INI files are also generally better for non-manual editing, as well.
– jpmc26
Mar 16 '17 at 2:51
...