大约有 22,000 项符合查询结果(耗时:0.0241秒) [XML]
Pandas conditional creation of a series/dataframe column
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Update: On 100,000,000 rows, 52 string values, .apply() takes 47 seconds, versus only 5.91 seconds for .map().
– AMC
Feb 10 at 2:18
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How can I add additional PHP versions to MAMP
....conf file, you'll see where additional configurations are loaded from the extra folder. Add this to the bottom of the httpd.conf file
# PHP Version Change
Include /Applications/MAMP/conf/apache/extra/httpd-php.conf
Then create a new file here: /Applications/MAMP/conf/apache/extra/httpd-php.conf
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Using Enums while parsing JSON with GSON
...gson.JsonParseException;
public class GsonFoo
{
public static void main(String[] args) throws Exception
{
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.registerTypeAdapter(AttributeScope.class, new AttributeScopeDeserializer());
Gson gson = gsonBuilder.create();
Trun...
Converting HTML string into DOM elements? [duplicate]
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You can use a DOMParser, like so:
var xmlString = "<div id='foo'><a href='#'>Link</a><span></span></div>";
var doc = new DOMParser().parseFromString(xmlString, "text/xml");
console.log(doc.firstChild.innerHTML); // => <a h...
How to make a SPA SEO crawlable?
...mous]
public HttpResponseMessage Handle404()
{
string [] parts = Request.RequestUri.OriginalString.Split(new[] { '?' }, StringSplitOptions.RemoveEmptyEntries);
string parameters = parts[ 1 ].Replace("aspxerrorpath=","");
var response = Request.Crea...
Convert a list to a dictionary in Python
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You can also do it like this (string to list conversion here, then conversion to a dictionary)
string_list = """
Hello World
Goodbye Night
Great Day
Final Sunset
""".split()
string_list = dict(zip(string_list[::2],string_list...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...his millennium should Python PEP-8 specify a maximum line length of 79 characters?
9 Answers
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Count rows with not empty value
...u need to add another column, you can almost always solve it by using some extra formulas like containing some concatinate/split/join etc, ill get back to you if i solve it.
– consideRatio
Jan 9 '15 at 23:18
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Is Java's assertEquals method reliable?
I know that == has some issues when comparing two Strings . It seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTr...
Prototypical inheritance - writing up [duplicate]
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It gets confusing for simple values as string and int, there the instances do not share the value.
– HMR
Apr 17 '13 at 15:11
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