大约有 40,000 项符合查询结果（耗时：0.0551秒） [XML]
Is it possible to rotate a drawable in the xml description?
...L:
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="90"
android:toDegrees="90"
android:pivotX="50%"
android:pivotY="50%"
android:drawable="@drawable/mainmenu_background"&g...
Are HTTP headers case-sensitive?
...s are not case sensitive.
From RFC 2616 - "Hypertext Transfer Protocol -- HTTP/1.1", Section 4.2, "Message Headers":
Each header field consists of a name followed by a colon (":") and the field value. Field names are case-insensitive.
The updating RFC 7230 does not list any changes from RFC ...
Search all of Git history for a string? [duplicate]
I have a code base which I want to push to GitHub as open source. In this git-controlled source tree, I have certain configuration files which contain passwords. I made sure not to track this file and I also added it to the .gitignore file. However, I want to be absolutely positive that no sensiti...
How to write a bash script that takes optional input arguments?
...
You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of par...
Compare two DataFrames and output their differences side-by-side
I am trying to highlight exactly what changed between two dataframes.
14 Answers
14
...
Select arrow style change
...tf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
background-repeat: no-repeat;
background-position-x: 100%;
background-position-y: 5px;
border: ...
JavaScript REST client Library [closed]
...rform all the REST operation like ( GET , POST , PUT and DELETE over HTTP or HTTPS )?
9 Answers
...
How does cookie “Secure” flag work?
...kie has the Secure attribute, the user agent will include the cookie in an HTTP request only if the request is transmitted over a secure channel (typically HTTP over Transport Layer Security (TLS) [RFC2818]).
Although seemingly useful for protecting cookies from active network attackers, the Se...
The Difference Between Deprecated, Depreciated and Obsolete [closed]
... purposes and it will be removed probably in the next big release. It is recommended that you do not use deprecated functions or features - even if they are present in the current library for example.
Obsolete means that is already out-of-use.
Depreciated means the monetary value of something ha...
Check if image exists on server using JavaScript?
...
You could use something like:
function imageExists(image_url){
var http = new XMLHttpRequest();
http.open('HEAD', image_url, false);
http.send();
return http.status != 404;
}
Obviously you could use jQuery/similar to perform your HTTP request.
$.get(image_url)
.done(fun...