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Command to remove all npm modules globally?
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Not to be the awk golf guy, this can be done in a single awk command without grep: awk -F' |@' '/@/ {if ($(NF-1) != "npm") {print $(NF-1)}}' Explanation: split on spaces or @, only match lines with @, the module name will be the second to last match ($(NF-1)), so o...
Use PHP to create, edit and delete crontab jobs?
...hecked) is there a way to remove the matching jobs first then write a new one?
– R T
Dec 17 '14 at 8:03
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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
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One trick is to avoid activeByDefault, and instead activate the profile by the absence of a property, eg:
<profiles>
<profile>
<id>firstProfile</id>
<activation>
<property>...
Android: Storing username and password?
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Most Android and iPhone apps I have seen use an initial screen or dialog box to ask for credentials. I think it is cumbersome for the user to have to re-enter their name/password often, so storing that info makes sense from a usability perspect...
Sending a mail from a linux shell script
... I would not do this in this shell otherwise you will get stucked sooner or later. You might do it in the config file : See unix.stackexchange.com/a/132731
– hornetbzz
Sep 4 '14 at 16:36
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
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Ideally one would only suppress this particular warning, do you know if that's possible?
– Vincent
Mar 7 '12 at 3:14
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What difference does .AsNoTracking() make?
...at EF knows that it should update existing user instead of inserting a new one. In the second case you don't need to do that if you load and save the user with the same context instance because the tracking mechanism handles that for you.
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Specifying and saving a figure with exact size in pixels
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I like this solution, but I have one warning. The text size scales inversely as dpi. (My system is MacBook Pro, OS X), so for interactive printing making the dpi to large (like 10*my_dpi) shrinks the text to near invisibility.
– Prof Hu...
iOS 7 parallax effect in my view controller
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With iOS 7, Apple introduced UIMotionEffect to add Motion effects that are related to the orientation of the user’s device. For example, to emulate the parallax effect on the home screen, you can use the subclass UIInterpolationMotionEffect, as explained her...
Determine which element the mouse pointer is on top of in JavaScript
...er. The last element in the NodeList is the most specific, each preceding one should be a parent, grandparent, and so on.
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