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How should I copy Strings in Java?
...kup variable still contains the original value "hello" (this is because of String's immutability right?).
5 Answers
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Convert special characters to HTML in Javascript
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You need a function that does something like
return mystring.replace(/&/g, "&amp;").replace(/>/g, "&gt;").replace(/</g, "&lt;").replace(/"/g, "&quot;");
But taking into account your desire for different handling of single/double quotes.
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Composer killed while updating
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DigitalOcean fix that does not require extra memory - activating swap, here is an example for 1gb:
in terminal run below
/bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
/sbin/mkswap /var/swap.1
sudo /sbin/swapon /var/swap.1
The above solution will work un...
Ways to implement data versioning in MongoDB
...Mongoid has built in simple versioning
http://mongoid.org/en/mongoid/docs/extras.html#versioning
mongoid-history is a Ruby plugin that provides a significantly more complicated solution with auditing, undo and redo
https://github.com/aq1018/mongoid-history
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XML attribute vs XML element
...butes vs. elements:
Use elements for long running text (usually those of string or
normalizedString types)
Do not use an attribute if there is grouping of two values (e.g.
eventStartDate and eventEndDate) for an element. In the previous example,
there should be a new element for "event" which ma...
Instagram how to get my user id from username?
...orking (but its not public endpoint anymore), you must send a request with extra information to that endpoint. (Press F12 to open developer toolbar, then click to Network Tab and trace the request.)
Sorry because I'm too busy. Hope this information help you guys.
Hmm, feel free to give me a down-v...
Google Maps Android API v2 Authorization failure
...equired.
Under the Manifest file I replaced the old API KEY value with the
string shortcut created by this new XML file:
android:value="@string/google_maps_key", instead of stating the KEY
directly.
Finally, remove the new MapActivity, but keep the xml file that was
created in that process.
Note: ...
Load view from an external xib file in storyboard
...want to reference:
public protocol NibLoadable {
static var nibName: String { get }
}
public extension NibLoadable where Self: UIView {
public static var nibName: String {
return String(describing: Self.self) // defaults to the name of the class implementing this protocol.
}
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Compare two DataFrames and output their differences side-by-side
... in the score column):
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
DF1 = StringIO("""id Name score isEnrolled Comment
111 Jack 2.17 True "He was late to class"
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可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
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}
signal(SIGALRM,func);
alarm(1);
}
int main(int argc, char** argv)
{
signal(SIGALRM,func);
alarm(1);
for(;;)
{
if( ( ptr = getpwnam("sar") ) == NULL )
{
err_sys( "getpwnam error" );
}
}
return 0;
}
signal...