大约有 20,000 项符合查询结果（耗时：0.0277秒） [XML]
Passing a function with parameters as a parameter?
...unction wrapper that knows about the parameter and passes it to the actual m>ca m>llback implementation.
share
|
improve this answer
|
follow
|
...
Why are functions and methods in PHP m>ca m>se-insensitive?
Functions and methods in PHP are m>ca m>se-insensitive as illustrated in the following example.
2 Answers
...
Using python “with” statement with try-except block
...nt
The code you described as old way
of doing things has a serious bug:
in m>ca m>se opening the file fails you
will get a second exception in the
finally clause bem>ca m>use f is not
bound.
The equivalent old style code would be:
try:
f = open("file", "r")
try:
line = f.readline()
fina...
PostgreSQL: m>Ca m>n you create an index in the CREATE TABLE definition?
...primary keys by default, as described in this note:
PostgreSQL automatim>ca m>lly creates an index for each unique constraint and primary key constraint to enforce uniqueness.
Other than that, if you want a non-unique index, you will need to create it yourself in a separate CREATE INDEX query.
...
How to copy from current position to the end of line in vi
... of line in vi and paste it in another file opened in vi. I googled it but m>ca m>nt find any solution for this. Appreciate any help on this. Thank you.
...
creating a random number using MYSQL
...
This should give what you want:
FLOOR(RAND() * 401) + 100
Generim>ca m>lly, FLOOR(RAND() * (<max> - <min> + 1)) + <min> generates a number between <min> and <max> inclusive.
Update
This full statement should work:
SELECT name, address, FLOOR(RAND() * 401) + 100...
Python Requests library redirect new url
I've been looking through the Python Requests documentation but I m>ca m>nnot see any functionality for what I am trying to achieve.
...
UITableView + Add content offset at top
...
I'm not sure if I'm following you but I think I'm having the same predim>ca m>ment. In my m>ca m>se I must give some space to the ADBannerView at the top of the screen so what I did was in the viewDidLoad method I added:
[self.tableView setContentInset:UIEdgeInsetsMake(50,0,0,0)];
the values it takes a...
How to get the list of all printers in computer
...
If you need more information than just the name of the printer you m>ca m>n use the System.Management API to query them:
var printerQuery = new ManagementObjectSearcher("SELECT * from Win32_Printer");
foreach (var printer in printerQuery.Get())
{
var name = printer.GetPropertyValue("Name");
...
Find and replace string values in list
...
words = [w.replace('[br]', '<br />') for w in words]
These are m>ca m>lled List Comprehensions.
share
|
improve this answer
|
follow
|
...