大约有 41,000 项符合查询结果（耗时：0.0595秒） [XML]
Using C# regular expressions to remove HTML tags
...c.LoadHtml(Properties.Resources.HtmlContents);
var text = doc.DocumentNode.SelectNodes("//body//text()").Select(node => node.InnerText);
StringBuilder output = new StringBuilder();
foreach (string line in text)
{
output.AppendLine(line);
}
string textOnly = HttpUtility.HtmlDecode(output.ToStri...
Remove unwanted parts from strings in a column
...
A very simple method would be to use the extract method to select all the digits. Simply supply it the regular expression '\d+' which extracts any number of digits.
df['result'] = df.result.str.extract(r'(\d+)', expand=True).astype(int)
df
time result
1 09:00 52
2 10:00...
Warn user before leaving web page with unsaved changes
...virtual inputs.
Binding the input event to all inputs (and textareas and selects) on your page won't work on older browsers and, like all event handling solutions mentioned above, doesn't support undo. When a user changes a textbox and then undoes that, or checks and unchecks a checkbox, the form ...
How big is too big for a PostgreSQL table?
...what you get. Testing one table with 90 million rows may be as easy as:
select x,1 as c2,2 as c3
from generate_series(1,90000000) x;
https://wiki.postgresql.org/wiki/FAQ
Limit Value
Maximum Database Size Unlimited
Maximum Table Size 32 TB
Maximum Row Size 1.6 TB
Max...
“static const” vs “#define” vs “enum”
...st. Actually it is depending on what circumstance we are under, we need to select one among these two. Both are at their best under different circumstances. Please don't assume that one is better than the other... :-)
If that would have been the case, Dennis Ritchie would have kept the best one al...
Does my application “contain encryption”?
...d you are done.
2. Verification
You can verify this in itunes connect.
select your app
chose features
chose encryption
click "+"
follow the dialog
for https or authentication the answer is yes and yes
In any case you should of course read yourself carefully through the dialog.
A very helpfu...
How to drop a list of rows from Pandas dataframe?
... +1, this is the only answer that tells you how to remove a row selecting a column different from the first one.
– Alejo Bernardin
May 3 at 5:31
add a comment
...
Recommendations of Python REST (web services) framework? [closed]
...e service's logic is implemented only once, and the correct representation selection (Accept header) + dispatch to the proper render function (or template) is done in a tidy, transparent way.
$ curl localhost:8080/x
<html><body>Hello, x!</body></html>
$ curl -H "Accept: app...
How to parse XML to R data frame
... and pick the one that has "hourly" as one of its values. Then you need to select only that list but only keep the values that have the "value" label:
temps <- xml_data[["data"]][["parameters"]]
temps <- temps[names(temps) == "temperature"]
temps <- temps[sapply(temps, function(x) any(unli...
How to make a div fill a remaining horizontal space?
...
This should be accepted as the selected solution for current times. Also, it is the only "non-hackish" solution.
– Greg
Nov 20 '18 at 19:31
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