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How do you share constants in NodeJS modules?
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Technically, const is not part of the ECMAScript specification. Also, using the "CommonJS Module" pattern you've noted, you can change the value of that "constant" since it's now just an object property. (not sure if that'll cascad...
Find unused npm packages in package.json
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You can use an npm module called depcheck (requires at least version 10 of Node).
Install the module:
npm install depcheck -g
or
yarn global add depcheck
Run it and find the unused dependencies:
depcheck
The good thing about this approach is...
Altering column size in SQL Server
...re is a magic column enlargement pill that your table can take, and it’s called Row Compression. (...)
With Row Compression, your fixed size columns can use only the space needed by the smallest data type where the actual data fits.
When table is compressed at ROW level, then ALTER TABLE ALTER...
How to access route, post, get etc. parameters in Zend Framework 2
...ample:
$allGetValues = $this->params()->fromQuery(); // empty method call
When visiting http://example.com/?orderby=birthdate&filter=hasphone $allGetValues will be an array like
array(
'orderby' => 'birthdate',
'filter' => 'hasphone',
);
Not using Params plugin
If you c...
How to kill a child process after a given timeout in Bash?
... else wonders what I did: the cmdpid=$BASHPID will not take the pid of the calling shell but the (first) subshell that is started by (). The (sleep... thing calls a second subshell within the first subshell to wait 10 secs in the background and kill the first subshell which, after having launched th...
Erasing elements from a vector
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@Benjin no update is needed, it will call the objects' destructors if they exist.
– Motti
Jan 8 '13 at 17:51
54
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How to find out which fonts are referenced and which are embedded in a PDF document
... has a font reporter, available as a command-line utility or via a library call. If you run "listfont.pl file.pdf" you get output like this:
Page 1:
Name: F1.0
Type: TrueType
BaseFont: NZUXSR+Impact
Encoding: MacRomanEncoding
Widths: yes
Characters: 0-255
Embedded: yes
...
iPhone - Grand Central Dispatch main thread
...ral. You just set up your event handlers to run on the main queue and then call dispatch_main(), and you may not need to worry about thread safety at all.
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Simplest way to check if key exists in object using CoffeeScript
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ah, ok: own = (prop, obj) -> Object::hasOwnProperty.call obj, prop
– flying sheep
Jan 14 '13 at 13:33
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Determine if an object property is ko.observable
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Knockout includes a function called ko.isObservable(). You can call it like ko.isObservable(vm[key]).
Update from comment:
Here is a function to determine if something is a computed observable:
ko.isComputed = function (instance) {
if ((instan...