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Multiple submit buttons in an HTML form
...</div>
</form>
Benefits over other suggestions: no JavaScript code, accessible, and both buttons remain type="submit".
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How do I convert an integer to binary in JavaScript?
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been a while since I tried javascript but trying it here w3schools.com/js/tryit.asp?filename=tryjs_output_alert with this <script> window.alert((-3 >>> 0).toString(2)); </script> yeah it worked
– barlop
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Safe characters for friendly url [closed]
... actually tries to map the URL to files before forwarding the request to a script (unfortunately very common).
– André Caron
May 6 '11 at 22:01
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How to automatically install Emacs packages by specifying a list of package names?
... package)))
packages))
;; make sure to have downloaded archive description.
;; Or use package-archive-contents as suggested by Nicolas Dudebout
(or (file-exists-p package-user-dir)
(package-refresh-contents))
(ensure-package-installed 'iedit 'magit) ; --> (nil nil) if iedit and ma...
Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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Export a graph to .eps file with R
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Another way is to use Cairographics-based SVG, PDF and PostScript Graphics Devices.
This way you don't need to setEPS()
cairo_ps("image.eps")
plot(1, 10)
dev.off()
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How to detect online/offline event cross-browser?
...r agent will
not contact the network when the user
follows links or when a script
requests a remote page (or knows that
such an attempt would fail), and must
return true otherwise.
Finally, the spec notes:
This attribute is inherently
unreliable. A computer can be
connected to a network without ha...
Disable all table constraints in Oracle
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It's not a single command, but here's how I do it. The following script has been designed to run in SQL*Plus. Note, I've purposely written this to only work within the current schema.
set heading off
spool drop_constraints.out
select
'alter table ' ||
owner || '.' ||
table...
Execute a command line binary with Node.js
...rpart. Documentation for them can be found here. While they are useful for scripting, do note that unlike the methods used to spawn child processes asynchronously, the synchronous methods do not return an instance of ChildProcess.
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How do I turn off Oracle password expiration?
...TER USER xyz_user IDENTIFIED BY new_password;
Below is a little SQL*Plus script that a privileged user (e.g. user 'SYS') can use to reset a user's password to the current existing hashed value stored in the database.
EDIT: Older versions of Oracle store the password or password-hash in the pword ...