大约有 19,602 项符合查询结果（耗时：0.0357秒） [XML]
Can lambda functions be templated?
...on which allows lambda templates:
// create the widgets and set the label
base::for_each(_widgets, [] <typename Key_T, typename Widget_T>
(boost::fusion::pair<Key_T, Widget_T*>& pair) -> void {
pair.second = new Widget_T();
...
How to remove spaces from a string using JavaScript?
...ument.docx';
document.write( str.replace(/\s/g, '') );
Update: Based on this question, this:
str = str.replace(/\s+/g, '');
is a better solution. It produces the same result, but it does it faster.
The Regex
\s is the regex for "whitespace", and g is the "global" flag, meaning match...
How to change letter spacing in a Textview?
...
This answer is based on Pedro's answer but adjusted so it also works if text attribute is already set:
package nl.raakict.android.spc.widget;
import android.content.Context;
import android.text.Spannable;
import android.text.SpannableStrin...
Append integer to beginning of list in Python [duplicate]
...
Based on some (minimal) benchmarks using the timeit module it seems that the following has similar if not better performance than the accepted answer
new_lst = [a, *lst]
As with [a] + list this will create a new list and n...
How do I convert an HttpRequestBase into an HttpRequest object?
...t requires an HttpRequest object. All I have access to is an HttpRequestBase object.
9 Answers
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Graphviz: How to go from .dot to a graph?
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Slightly easier, let dot chose the filename based on input filename and file type: dot -Tpng -O file.dot (will produce file.png)
– Andrew Mackenzie
Jan 13 '19 at 15:54
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Convert HH:MM:SS string to seconds only in javascript
... Math.pow is very slow and can be avoided as shown in other answers based on reduce
– Alejadro Xalabarder
May 3 at 13:57
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show 1 mor...
What is the best way to implement “remember me” for a website? [closed]
...dom numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine).
When a non-logged-in user visits the site and presents a login cookie, the series identifier is looked up in the database.
If the series identifier is present and the hash o...
How to show the last queries executed on MySQL?
... logging is enabled then we can check the queries in the log file or table based what we have mentioned in the config.
Check what is enabled with the following command
mysql> show variables like 'general_log%';
mysql> show variables like 'log_output%';
If we need query history in table then...
Can my enums have friendly names? [duplicate]
... @Roy - that's not always true, sometimes (precisely when is based on an implementation detail) the C# compiler will emit a Dictionary lookup instead, see: stackoverflow.com/questions/3366376/…
– John Rasch
Mar 2 '11 at 20:23
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