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How to permanently set $PATH on Linux/Unix? [closed]
...st use a specific shell syntax and export or set commands.
System wide
/etc/environment List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used by PAM and SystemD.
/etc/environment.d/*.co...
Best way to define error codes/strings in Java?
...de instead of using the ordinal value - this makes it easier to change the order and add/remove errors later.
Don't forget that this isn't internationalised at all - but unless your web service client sends you a locale description, you can't easily internationalise it yourself anyway. At least they...
How to call function from another file in go language?
... running.
Run either of below two commands:
$go run test1.go test2.go. //order of file doesn't matter
$go run *.go
You should do similar thing, if you want to build them.
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What is “(program)” in Chrome debugger’s profiler?
...ostly function, you need to hunt inside it for what could be optimized. In order to do that, you need to know how the time is subdivided among the lines of code in the function. If you had cost on a line of code basis, it would take you directly to those lines.
I don't know if you will be able to g...
Android buildscript repositories: jcenter VS mavencentral
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Where are environment variables stored in registry?
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Remember to restart your system in order to put your changes into effect.
– 0x6B6F77616C74
Aug 6 '12 at 13:57
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Redefine tab as 4 spaces
...our tab character width to be different from the width of your indents, in order to reduce the chance of tab characters masquerading as proper indents. (list + expandtab can help here too) Also, 8-char-wide tabs is "the standard" -- your terminal, Python, and many other tools default to 8-char-wide-...
What order are the Junit @Before/@After called?
...e current class, unless they are overridden in the current class. No other ordering is defined.
@After:
The @After methods declared in superclasses will be run after those of the current class, unless they are overridden in the current class.
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How do you sort an array on multiple columns?
...10], [A,5], 5 comes before 10 so it would end up with [A,5],[A,10] for the ordering. The thing you may be missing is that mysortfunction is called multiple times when you use Array.sort until the sorting is completed.
– dcp
Apr 23 '15 at 10:59
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C++ : why bool is 8 bits long?
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For this reason, it is quite common to use techniques of "bit packing" in order to increase efficiency in using "boolean" base data types. A technique such as enum (in C) with power of 2 coding is a good example. The same sort of trick is found in most languages.
Updated: Thanks to a excellent dis...