大约有 40,000 项符合查询结果（耗时：0.1146秒） [XML]
Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
I want to assign the output of a command I run using os.system to a variable and prevent it from being output to the screen. But, in the below code ,the output is sent to the screen and the value printed for var is 0, which I guess signifies whether the command ran successfully or not. Is there ...
Catching all javascript unhandled exceptions
...
Check out http://log4javascript.org it is based on Log4J. If most of your code is wrapped in try/catch statements to handle exceptions you can make use of this library as a common interface for sending output to an always available "di...
How to select multiple rows filled with constants?
...@gmail.com')) AS MyTable(constants)
You can also view an SQL Fiddle here: http://www.sqlfiddle.com/#!17/9eecb/34703/0
share
|
improve this answer
|
follow
|
...
How to use the C socket API in C++ on z/OS
...
add a comment
|
39
...
Most efficient way to prepend a value to an array
....slice().unshift(0); // Use "slice" to avoid mutating "a".
[Edit 2]
For completeness, the following function can be used instead of OP's example prependArray(...) to take advantage of the Array unshift(...) method:
function prepend(value, array) {
var newArray = array.slice();
newArray.unshi...
How to parse XML in Bash?
...t from listing a bucket on S3) for input.xml:
<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<Name>sth-items</Name>
<IsTruncated>false</IsTruncated>
<Contents>
<Key>item-apple-iso@2x.png</Key>
<LastModified>2011...
include antiforgerytoken in ajax post ASP.NET MVC
...
|
show 4 more comments
61
...
How do I repeat an edit on multiple lines in Vim?
I'm aware that in Vim I can often repeat a command by simply adding a number in front of it. For example, one can delete 5 lines by:
...
Semi-transparent color layer over background-image?
...
You can also use a linear gradient and an image:
http://codepen.io/anon/pen/RPweox
.background{
background: linear-gradient(rgba(0,0,0,.5), rgba(0,0,0,.5)),
url('http://www.imageurl.com');
}
This is because the linear gradient function creates an Image which is add...