大约有 44,000 项符合查询结果（耗时：0.0832秒） [XML]
How to change line width in IntelliJ (from 120 character)
...
I would also add that, to enforce this value when formatting, you should activate Settings -> Editor -> Java/Groovy/JSON -> Wrapping and Braces -> Ensure right margin is not exceeded
– Edu Castrillon
Oc...
Can I install the “app store” in an IOS simulator?
...t not Appstore build.
From Xcode 8.2,drag and drop the build to simulator for the installation.
https://stackoverflow.com/a/41671233/1522584
share
|
improve this answer
|
f...
How do I connect to a MySQL Database in Python?
...th Python 2 in three steps
1 - Setting
You must install a MySQL driver before doing anything. Unlike PHP, Only the SQLite driver is installed by default with Python. The most used package to do so is MySQLdb but it's hard to install it using easy_install. Please note MySQLdb only supports Python 2...
Input size vs width
...ute in browsers that support CSS and make the field the correct width, and for those that don't, it will fall back to the specified number of characters.
Edit: I should have mentioned that the size attribute isn't a precise method of sizing: according to the HTML specification, it should refer to t...
Iterate a list with indexes in Python
...
>>> a = [3,4,5,6]
>>> for i, val in enumerate(a):
... print i, val
...
0 3
1 4
2 5
3 6
>>>
share
|
improve this answer
|
...
How to get Scala List from Java List?
...language using:
import scala.collection.JavaConversions._
...
lst.toList.foreach{ node => .... }
works. asScala did not work
In 2.12.x use import scala.collection.JavaConverters._
In 2.13.x use import scala.jdk.CollectionConverters._
...
Jackson how to transform JsonNode to ArrayNode without casting?
...ObjectMapper().readTree(json).get("objects");
if (arrNode.isArray()) {
for (final JsonNode objNode : arrNode) {
System.out.println(objNode);
}
}
Output:
"One"
"Two"
"Three"
Note the use of isArray to verify that the node is actually an array before iterating. The check is...
JSR-303 @Valid annotation not working for list of child objects
...
You need to decorate addresses member of UserAddressesForm with @Valid annotation. See section 3.1.3 and 3.5.1 of JSR 303: Bean Validation. As I explained in my answer to the question Is there a standard way to enable JSR 303 Bean Validation using annotated method, this is the r...
Python string.join(list) on object array rather than string array
...a list comprehension or a generator expression instead:
', '.join([str(x) for x in list]) # list comprehension
', '.join(str(x) for x in list) # generator expression
share
|
improve this answe...
adding directory to sys.path /PYTHONPATH
...ONPATH are documented as normally coming after the working directory but before the standard interpreter-supplied paths. sys.path.append() appends to the existing path. See here and here. If you want a particular directory to come first, simply insert it at the head of sys.path:
import sys
sys.p...