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foldl versus foldr behavior with infinite lists
...step False 1) 2) [3..]
foldl step (step (step (step False 1) 2) 3) [4..]
etc.
Intuitively, foldl is always on the "outside" or on the "left" so it gets expanded first. Ad infinitum.
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impro...
AngularJS HTTP post to PHP and undefined
...deserialize the JSON.
That can be achieved in PHP like this:
$postdata = file_get_contents("php://input");
$request = json_decode($postdata);
$email = $request->email;
$pass = $request->password;
Alternately, if you are heavily relying on $_POST functionality, you can form a query string l...
Sublime Text 3能用支持的插件推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... "copy_path" },
//firefox
{ "keys": ["f1"], "command": "side_bar_files_open_with",
"args": {
"paths": [],
"application": "C:\\software\\Browser\\Mozilla Firefox\\firefox.exe",
"extensions":".*" //匹配任何文件类型
...
Symbolic links and synced folders in Vagrant
...owing line needs to be added to the vm provider config block in the Vagrantfile:
config.vm.provider "virtualbox" do |v|
v.customize ["setextradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate/v-root", "1"]
end
Additionally, on windows vagrant up needs to be executed in a shell with...
How to output something in PowerShell
I am running a PowerShell script from within a batch file. The script fetches a web page and checks whether the page's content is the string "OK".
...
iTextSharp - Sending in-memory pdf in an email attachment
...
@Gustavo, the file opens correctly in Acrobat viewer. It is about 900 Bytes. Make sure you keep the line: memoryStream.Position=0; right after doc.Close(). I forgot to mention that. (see update above)
– ichiban
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Do I encode ampersands in ?
...ngs inside escaped things, double encoding, URL inside URL inside paramter etc,...
http://x.com/?passwordUrl=http%3A%2F%2Fy.com%2F%3Fuser%3Dtest&password=""123
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im...
How do you get git to always pull from a specific branch?
...Under [branch "master"], try adding the following to the repo's Git config file (.git/config):
[branch "master"]
remote = origin
merge = refs/heads/master
This tells Git 2 things:
When you're on the master branch, the default remote is origin.
When using git pull on the master branch, w...
CSS :after not adding content to certain elements
...t least in part. For example, an input element (incuding its font, colors, etc.) is largely controllable with CSS in modern browsers.
Current browsers (Firefox, IE, Chrome) do not seem to support the :after and :before pseudo-elements for empty elements other than hr. For hr, IE and Chrome place th...
How do I make a textarea an ACE editor?
...' it will not work.
Check out the wiki here for how to add themes, modes, etc... https://github.com/ajaxorg/ace/wiki/Embedding---API
Note: they do not have to be textareas, they can be whatever element you want.
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