大约有 46,000 项符合查询结果（耗时：0.0511秒） [XML]
How do I URl encode something in Node.js?
...
You can use JavaScript's encodeURIComponent:
encodeURIComponent('select * from table where i()')
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How to deal with “java.lang.OutOfMemoryError: Java heap space” error?
...h performance code.
Use local variables wherever possible.
Make sure you select the correct object (EX: Selection between String, StringBuffer and StringBuilder)
Use a good code system for your program(EX: Using static variables VS non static variables)
Other stuff which could work on your code.
T...
How to get the input from the Tkinter Text Widget?
...u don't want the last newline character.
Demo
See below demonstration that selects the characters in between the given positions with sliders:
try:
import tkinter as tk
except:
import Tkinter as tk
class Demo(tk.LabelFrame):
"""
A LabeFrame that in order to demonstrate the string r...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...he query plan that is generated is sub-optimal.
For example, if you send SELECT *
FROM table WHERE id BETWEEN 1 AND
99999999, the DBMS may select a
full-table scan instead of an index
scan because you're grabbing every row
in the table (so sayeth the
statistics). If this is the cached
...
Pythonic way to create a long multi-line string
...de commas between the string segments, then it will be a tuple.
query = ('SELECT action.descr as "action", '
'role.id as role_id,'
'role.descr as role'
' FROM '
'public.role_action_def,'
'public.role,'
'public.record_def, '
'public.ac...
How to delete a property from Google Analytics
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You have to select the Property first and then under Profile click on Profile Settings. At the bottom of that page there is a "delete this profile" link:
This was really annoying, and I spent a good chuck of time trying to find th...
Random row from Linq to Sql
...ere row.IsActive // your filter
orderby ctx.Random()
select row).FirstOrDefault();
Note that this is only suitable for small-to-mid-size tables; for huge tables, it will have a performance impact at the server, and it will be more efficient to find the number of rows (Count),...
Is there a way to view past mysql queries with phpmyadmin?
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To view the past queries simply run this query in phpMyAdmin.
SELECT * FROM `general_log`
if it is not enabled, run the following two queries before running it.
SET GLOBAL log_output = 'TABLE';
SET GLOBAL general_log = 'ON';
...
How to paste yanked text into the Vim command line
...nto your buffer.
Let's decompose: " is a Normal mode command that lets you select what register is to be used during the next yank, delete or paste operation. So ": selects the colon register (storing last command). Then p is a command you already know, it pastes the contents of the register.
cf. :...
What is a method group in C#?
...
Also, if you are using LINQ, you can apparently do something like myList.Select(methodGroup).
So, for example, I have:
private string DoSomethingToMyString(string input)
{
// blah
}
Instead of explicitly stating the variable to be used like this:
public List<string> GetStringStuff()...