大约有 40,000 项符合查询结果（耗时：0.0354秒） [XML]
What is the purpose of Serialization in Java?
...rbs, biomedical abbreviations, words semantically connected to each other, etc. The contents of these files are simple: words!
Now for each project, I needed to read the words from each of these files and put them into different arrays; as the contents of the file never changed, it became a common...
How to check type of variable in Java?
How can I check to make sure my variable is an int, array, double, etc...?
13 Answers
...
What exactly are “spin-locks”?
...
When you use regular locks (mutexes, critical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for ...
Things possible in IntelliJ that aren't possible in Eclipse?
...ess {
String getStreetAddress();
String getZipCode();
Country getCountry();
}
interface Person {
String getName();
Address getAddress();
int getAge();
}
//---
Person p;
Country c = p.<CTRL-SHIFT-SPACE>
and it will silently autocomplete it to
Country c = p.getAddress...
postgresql port confusion 5433 or 5432?
...
/etc/services is only advisory, it's a listing of well-known ports. It doesn't mean that anything is actually running on that port or that the named service will run on that port.
In PostgreSQL's case it's typical to use port...
What is the best Distributed Brute Force countermeasure?
...l password equivalents before saving them, never using security questions, etc.
Assumptions about the attack scenario
If an attacker is targeting variable usernames, our username throttling doesn't fire. If the attacker is using a botnet or has access to a large IP range, our IP throttling is pow...
How to Set AllowOverride all
...
In case you are on Ubuntu, edit the file /etc/apache2/apache2.conf (here we have an example of /var/www):
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
and change it to;...
How to execute PHP code from the command line?
...PI. It is likely that several PHP SAPIs use different php.ini files, e.g. /etc/php/cli/php.ini vs /etc/php/cgi/php.ini vs /etc/php/apache/php.ini on a Gentoo box. Find out which ini file is used with php -i | grep ini.
share...
In Docker, what's the difference between a container and an image? [duplicate]
...docker run -i -t ubuntu /bin/bash
root@48cff2e9be75:/# ls
bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
root@48cff2e9be75:/# cat > foo
This is a really important file!!!!
root@48cff2e9be75:/# exit
Don't expect that file to stick around w...
How to replace plain URLs with links?
...rsing URLs: international domain names, actual (.museum) vs. nonexistent (.etc) TLDs, weird punctuation including parentheses, punctuation at the end of the URL, IPV6 hostnames etc.
I've looked at a ton of libraries, and there are a few worth using despite some downsides:
Soapbox's linkify has se...