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Accessing the web page's HTTP Headers in JavaScript
...hese properties reflect HTTP headers directly (e.g. navigator.userAgent is set to the value of the HTTP User-Agent header field). By sniffing around the available properties you might be able to find what you need, or some clues to indicate what the HTTP response contained.
3. Stash them
If you cont...
How to programmatically take a screenshot on Android?
How can I take a screenshot of a selected area of phone-screen not by any program but from code?
24 Answers
...
Want to find records with no associated records in Rails
...nds).where("friends.person_id IS NOT NULL")
You can do this with Arel by setting up scopes on Friend
class Friend
belongs_to :person
scope :to_somebody, ->{ where arel_table[:person_id].not_eq(nil) }
scope :to_nobody, ->{ where arel_table[:person_id].eq(nil) }
end
And then, Pers...
Relative imports in Python 2.7
... If the module's name does not contain any package information (e.g. it is set to 'main') then relative imports are resolved as if the module were a top level module, regardless of where the module is actually located on the file system.
Relative imports...
Relative imports use the module's name ...
What is the difference between Normalize.css and Reset CSS?
I know what CSS Reset is, but recently I heard about this new thing called Normalize.css
9 Answers
...
Fundamental difference between Hashing and Encryption algorithms
...work internally. Most cryptographic hash functions iterate over the input set many times to produce the output. So if we look at each fixed length chunk of input (which is algorithm dependent), the hash function will call that the current state. It will then iterate over the state and change it t...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
... 908: The permission RECORD_AUDIO has been denied. Please enable it in the Settings app.
【已解决】App Inventor 2 手机AI伴侣进行测试时，为啥进度条卡在10%就一直不动？
【已解决】Bad arguments to +：The operation + cannot accept the arguments:, [””], [81]
【...
PHP and MySQL - how to avoid password in source code? [duplicate]
... copying the files for the site, which is a benefit over relying on server-setup environment variables (which can very quickly be lost and forgotten).
You shouldn't need to worry about obfuscation of the password since it's not a world-accessible file, it certainly shouldn't be web accessible. What...
How do I reattach to a detached mosh session?
...er. It not only leaves dangling mosh daemons lying around, but its another set of keystrokes that we shouldn't have to type in the first place.
– Michael Galaxy
Nov 18 '16 at 5:26
...
Recommended way of making React component/div draggable
...s.onMouseUp)
}
},
// calculate relative position to the mouse and set dragging=true
onMouseDown: function (e) {
// only left mouse button
if (e.button !== 0) return
var pos = $(this.getDOMNode()).offset()
this.setState({
dragging: true,
rel: {
x: e.page...