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How to create JSON string in C#
...iner granularity over the json e.g you can specify to include nulls or not etc
– redsquare
Jun 29 '09 at 0:52
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How to get UTC timestamp in Ruby?
...ure, even in 2.0? I know I've used it on "vanilla" installs without rails etc., and it's in /usr/share/ruby/2.0/time.rb.
– Tim Sylvester
Oct 4 '17 at 16:48
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Is it possible to style html5 audio tag?
... This is only supported by webkit-based browsers (e.g not Firefox, IE, etc.)
– gilad mayani
Oct 6 '16 at 12:35
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Reading and writing binary file
...t data as characters (don't use strlen() on it, don't print it to console, etc). c++17 introduces std::byte for this purpose (which is still char actually char in disguise)
– d.Candela
Apr 10 '18 at 15:25
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Check Whether a User Exists
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Why don't you simply use
grep -c '^username:' /etc/passwd
It will return 1 (since a user has max. 1 entry) if the user exists and 0 if it doesn't.
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How do you force a CIFS connection to unmount
...ly. I tried everything else above and the cifs mount disappeared from my /etc/mtab listing but it cannot be remounted, so it's effectively useless. The cifs mount freezes when my computer suspends itself while the cifs share is mounted.
– DH4
Sep 23 '12 at 1...
How can I get the iOS 7 default blue color programmatically?
...tint for several elements, including the system button, segmented control, etc. They've made it easy to select the color using IB, as seen here:
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Get selected text from a drop-down list (select box) using jQuery
...n based on the index of where they occur in the current level of the tree, etc)
– freefaller
Mar 9 '17 at 14:03
Hi how...
mongo group query how to keep fields
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Why do you need {$first: '$age'} etc.? Is it possible to just have age: $age?
– lightalchemist
Dec 16 '17 at 8:04
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How can I get a Dialog style activity window to fill the screen?
...Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.your_layout);
getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
It's important that you call Window.setLayout() after you call setContentView(), o...