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Calendar date to yyyy-MM-dd format in java
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344
A Java Date is a container for the number of milliseconds since January 1, 1970, 00:00:00 GMT.
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Force unmount of NFS-mounted directory [closed]
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254
votes
You might try a lazy unmount:
umount -l
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Tab key == 4 spaces and auto-indent after curly braces in Vim
...im never use tabs (converting spaces to tabs, bad!), makes the tab key == 4 spaces, and automatically indent code after curly brace blocks like Emacs does?
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Repeating characters in VIM insert mode
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answered Feb 20 '11 at 0:04
Matteo RivaMatteo Riva
23k1111 gold badges6969 silver badges103103 bronze badges
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Java: Get first item from a collection
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ISanych
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answered Nov 4 '09 at 3:09
CarlCarl
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C# Double - ToString() formatting with two decimal places but no rounding
...Truncate(myDoubleValue * 100) / 100;
For instance:
If the number is 50.947563 and you use the following, the following will happen:
- Math.Truncate(50.947563 * 100) / 100;
- Math.Truncate(5094.7563) / 100;
- 5094 / 100
- 50.94
And there's your answer truncated, now to format the string simply ...
Efficiently test if a port is open on Linux?
From a bash script how can I quickly find out whether a port 445 is open/listening on a server.
14 Answers
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How to convert a LocalDate to an Instant?
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answered May 27 '14 at 9:48
JodaStephenJodaStephen
50.2k1313 gold badges8484 silver badges107107 bronze badges
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Pythonic way of checking if a condition holds for any element of a list
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KenKen
4,46122 gold badges2424 silver badges1818 bronze badges
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How to get key names from JSON using jq
...Manifest-Version" : "1.0", "appname" : "testApp", "build-date" : "02-03-2014-13:41", "version" : "testBox" }
$ jq 'keys' file.json
[
"Archiver-Version",
"Build-Id",
"Build-Jdk",
"Build-Number",
"Build-Tag",
"Built-By",
"Created-By",
"Implementation-Title",
"Implementation-Vendor-I...