大约有 30,000 项符合查询结果（耗时：0.0559秒） [XML]
Array or List in Java. Which is faster?
I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ?
...
Hide Utility Class Constructor : Utility classes should not have a public or default constructor
...d or instantiate this class. So what? Why is this critical? Can cause some errors? Or why should I even use tools like PowerMock to test a never used private constructor, just to fulfill the requirements of Sonar and my code coverage tool?
– Sergej Werfel
Oct 2...
How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
...query);
$result = $builder->get();
Or you can deliberately trigger an error, for example, by using a non-existent table or column. Then you can see the generated query in the exception message.
share
|
...
When to use an assertion and when to use an exception
...The comment about the hard drive is wrong. Assertions are for checking for errors in your code logic. Never, ever, use them to check something that you don't control. Remember, if an assertion fails it means that your code is wrong.
– Ian Goldby
Nov 14 '13 at 1...
How to save and load cookies using Python + Selenium WebDriver
...
I'm getting "pickle protocol must be <= 2" error. Using the pickle code you posted. What does this mean? Is it referring to the arguments?
– Aaron Hiniker
Feb 25 '13 at 0:50
...
Getting scroll bar width using JavaScript [duplicate]
...
If you have a error: Uncaught TypeError: Cannot read property 'appendChild' of null This could be fixed with next code line: if (document.body == null) return 0; before document.body.appendChild(outer);
– Andriyun...
Sublime Text 2: Trim trailing white space on demand
I know that Sublime Text 2 can delete the trailing white space on files upon saving.
5 Answers
...
Ruby on Rails - Import Data from a CSV file
...
I have this error, do you know why?: ActiveModel::UnknownAttributeError: unknown attribute 'siren;nom_ent;adresse;complement_adresse;cp_ville;pays;region;departement;activite;date;nb_salaries;nom;prenom;civilite;adr_mail;libele_acti;cate...
Automate ssh-keygen -t rsa so it does not ask for a passphrase
...
On RHEL 6, I got this error: "ssh-keygen: option requires an argument -- N" :(
– Anthony O.
Dec 9 '15 at 15:02
1
...
Argparse: Way to include default values in '--help'?
Suppose I have the following argparse snippet:
3 Answers
3
...