大约有 40,000 项符合查询结果（耗时：0.0601秒） [XML]
StringIO in Python3
... of the question and is included only as something to consider when generically addressing the missing StringIO module. For a more direct solution the message TypeError: Can't convert 'bytes' object to str implicitly, see this answer.
...
How do I find numeric columns in Pandas?
Let's say df is a pandas DataFrame.
I would like to find all columns of numeric type.
Something like:
11 Answers
...
Pass Variables by Reference in Javascript
... it means that it's possible to pass a simple variable in such a way as to allow a function to modify that value in the calling context. So:
function swap(a, b) {
var tmp = a;
a = b;
b = tmp; //assign tmp to b
}
var x = 1, y = 2;
swap(x, y);
alert("x is " + x + ", y is " + y); // "...
CSS selector with period in ID
...
You could also use img[id=some.id]]
More info here: http://www.w3.org/TR/selectors/#attribute-selectors
share
|
improve this answer
|
follow
...
Storing sex (gender) in database
...e is already an ISO standard for this; no need to invent your own scheme:
http://en.wikipedia.org/wiki/ISO_5218
Per the standard, the column should be called "Sex" and the 'closest' data type would be tinyint with a CHECK constraint or lookup table as appropriate.
...
How to loop through a HashMap in JSP?
... getValue() methods.
Here's a basic example:
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<c:forEach items="${map}" var="entry">
Key = ${entry.key}, value = ${entry.value}<br>
</c:forEach>
Thus your particular issue can be solved as follows:
<%@ t...
Failed to Attach to Process ID Xcode
...n this and was able to resolve it all after reading the following article: http://www.lapcatsoftware.com/articles/debugging-mojave.html
Just my two cents. Hope this helps someone.
Twitter Bootstrap - Tabs - URL doesn't change
...ere's quite a bit involved, I think it's neatest as a small jQuery plugin: https://github.com/aidanlister/jquery-stickytabs
You can call the plugin like so:
$('.nav-tabs').stickyTabs();
I've made a blog post for this, http://aidanlister.com/2014/03/persisting-the-tab-state-in-bootstrap/
...
Converting JSON data to Java object
...
If, by any change, you are in an application which already uses http://restfb.com/ then you can do:
import com.restfb.json.JsonObject;
...
JsonObject json = new JsonObject(jsonString);
json.get("title");
etc.
...
Numeric for loop in Django templates
...
I've used a simple technique that works nicely for small cases with no special tags and no additional context. Sometimes this comes in handy
{% for i in '0123456789'|make_list %}
{{ forloop.counter }}
{% endfor %}
...