大约有 10,700 项符合查询结果（耗时：0.0306秒） [XML]
When should I use File.separator and when File.pathSeparator?
... Note that in Java the backslash character actually is \\, because a single backslash is the escape character for other special character shorthands, so the backslash itself is used to escape itself. The String and char returned by the above-mentioned methods do return the properly for...
What does “%.*s” mean in printf?
...
You can use an asterisk (*) to pass the width specifier/precision to printf(), rather than hard coding it into the format string, i.e.
void f(const char *str, int str_len)
{
printf("%.*s\n", str_len, str);
}
...
Should bower_components be gitignored?
...sappear from internet or their could be some down time which in turn could cause build failures. As a Maven/Gradle user I never think about checking in dependencies.
– Krishnaraj
Mar 8 '16 at 17:35
...
How can I expand the full path of the current file to pass to a command in Vim?
... :%p%h is the absolute path to the file's parent directory. Using just %:h can result in a relative path.
– Annika Backstrom
Apr 5 '13 at 13:39
2
...
Get generated id after insert
...s (except for WITHOUT ROWID tables) has a unique 64-bit signed integer key called the "rowid". The rowid is always available as an undeclared column named ROWID, OID, or _ROWID_ as long as those names are not also used by explicitly declared columns. If the table has a column of type INTEGER PRIMARY...
What to add for the update portion in ConcurrentDictionary AddOrUpdate
...d to pass a Func which returns the value to be stored in the dictionary in case of an update. I guess in your case (since you don't distinguish between add and update) this would be:
var sessionId = a.Session.SessionID.ToString();
userDic.AddOrUpdate(
authUser.UserId,
sessionId,
(key, oldValu...
Select multiple columns in data.table by their numeric indices
How can we select multiple columns using a vector of their numeric indices (position) in data.table ?
5 Answers
...
What is the difference between setUp() and setUpClass() in Python unittest?
...fore and after each test method.
For example:
class Example(unittest.TestCase):
@classmethod
def setUpClass(cls):
print("setUpClass")
def setUp(self):
print("setUp")
def test1(self):
print("test1")
def test2(self):
print("test2")
def tear...
Running multiple TeamCity Agents on the same computer?
...
Yes, it's possible:
Several agents can be installed on a single machine. They function as separate agents and TeamCity works with them as different agents, not utilizing the fact that they share the same machine.
After installing one agent you can install addi...
PHP: How to handle
...
You're probably not accessing it correctly. You can output it directly or cast it as a string. (in this example, the casting is superfluous, as echo automatically does it anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, world!]]></con...