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How to extract request http headers from a request using NodeJS connect
...s are lower-cased. So if you are setting the header "Origin" (capital 'O') then the only element in the request headers collection will be "origin" with a lowercase 'o'.
– rob
Jun 9 '17 at 9:43
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Best way to concatenate List of String objects? [duplicate]
...gUtils.join(list, ", ");
If you are fortunate enough to be using Java 8, then it's even easier...just use String.join
String result = String.join(", ", list);
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Check for current Node Version
...process.version.match(/^v(\d+\.\d+)/)[1]
if process.version is 'v0.11.5', then get 0.11 .
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Showing line numbers in IPython/Jupyter Notebooks
...d shortcuts.
In more details CTRL - M (or ESC) bring you to command mode, then pressing the L keys should toggle the visibility of current cell line numbers. In more recent notebook versions Shift-L should toggle for all cells.
If you can't remember the shortcut, bring up the command palette Ctrl-...
Add new attribute (element) to JSON object using JavaScript
...d they'll be added. However if you assign a value to an existing attribute then it would be overridden.
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How to draw border around a UILabel?
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If the compiler complains then you probably forgot to #import <QuartzCore/QuartzCore.h>
– Stefan Arentz
Feb 22 '10 at 15:37
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Remove by _id in MongoDB console
... ObjectID function from the mongodb
ObjectId = require(mongodb).ObjectID;
then you can call the _id with the delete function
"_id" : ObjectId("4d5192665777000000005490")
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Remove all elements contained in another array
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If you are using an array of objects. Then the below code should do the magic, where an object property will be the criteria to remove duplicate items.
In the below example, duplicates have been removed comparing name of each item.
Try this example. http://jsfi...
Making custom right-click context menus for my web-app
...efore showing. I feel it should either hide (like the default) or hide and then appear in the new position.
– Holloway
Oct 9 '14 at 15:06
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Find a private field with Reflection?
...kes of which I no longer use) -- if you have full control over your server then it won't really be relevant since full trust is the default.
– jammycakes
Aug 14 '15 at 11:16
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