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How do I get the object if it exists, or None if it does not exist?
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Disable password authentication for SSH [closed]
...o to disable tunnelled clear text passwords
#PasswordAuthentication no
Uncomment the second line, and, if needed, change yes to no.
Then run
service ssh restart
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Why does an image captured using camera intent gets rotated on some devices on Android?
...rom @JasonRobinson code's I learn how to get the actual orientation and by combining with these code I'm successfully manage the orientation.
– Raditya Kurnianto
Sep 21 '14 at 4:31
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How is the default max Java heap size determined?
If I omit the -Xmxn option from the Java command line then a default value will be used. According to Java documentation
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How to get the first line of a file in a bash script?
...t in a bash variable the first line of a file. I guess it is with the grep command, but it is any way to restrict the number of lines?
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How can I update NodeJS and NPM to the next versions?
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See the docs for the update command:
npm update [-g] [<pkg>...]
This command will update all the packages listed to the latest version (specified by the tag config), respecting semver.
Additionally, see the documentation on Node.js and NPM...
JavaScript code to stop form submission
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Fragments within Fragments
...ndroid 4.2 (and Android Support Library rev 11) : http://developer.android.com/about/versions/android-4.2.html#NestedFragments
NOTE (as per this docs): "Note: You cannot inflate a layout into a fragment when that layout includes a <fragment>. Nested fragments are only supported when added to...
How to send POST request in JSON using HTTPClient in Android?
...f why you do each step, or of what that step does. It doesn't need to be a complicated, simple will suffice.
5 Answers
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How are ssl certificates verified?
...from that certificate, then uses that to contact the issuerer, and somehow compares certificates for validity.
6 Answers
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