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How to find the last field using 'cut'
... -ra array_var; do :;done <(cmd) to process a few lines. But for a big file, rev|cut|rev is probably faster! (And of course awk will be faster than that.)
– Peter Cordes
Dec 7 '15 at 6:30
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Lombok annotations do not compile under Intellij idea [duplicate]
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File -> Settings -> Build, Execution, Deployment -> ... if you're on Windows
– appoll
Apr 14 '16 at 9:19
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What is a sealed trait?
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A sealed trait can be extended only in the same file as its declaration.
They are often used to provide an alternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it.
For instance with the de...
Why call git branch --unset-upstream to fixup?
...'s why it is always a good idea to initialize your new repository with the file README.md, even if it is an empty file
– Ahmed Hussein
Mar 4 '19 at 14:33
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Android studio - Failed to find target android-18
...I solved the problem by changing the compileSdkVersion in the Gradle.build file from 18 to 17.
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.5.+'
}
}
apply plugin: 'android'
repositories {
mavenCentral()...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
... is not required, but is useful.
Then use this jQuery code (in a separate file or inline in the HEAD).
/**
* Replace all SVG images with inline SVG
*/
jQuery('img.svg').each(function(){
var $img = jQuery(this);
var imgID = $img.attr('id');
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0
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Open mysql configuration file named my.cnf and try to find "bind-address", here replace the setting (127.0.0.1 OR localhost) with your live server ip (the ip you are using in mysql_connect function)
This will solve the problem definitely.
Thanks
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Android Studio Editor Font Sizing
...they?
All you have to do is click the "Save As" button to create a new profile. You can't change the font because you can't overwrite the default profiles.
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How to rollback just one step using rake db:migrate
After adding migration files in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
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“405 method not allowed” in IIS7.5 for “PUT” method
I use WebClient type to upload *.cab files to my server. On the server side, I registered a HTTP handler for *.cab file with the PUT method as below:
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