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How do I create a nice-looking DMG for Mac OS X using command-line tools?
...same folder as the json file, this doesn't work, it gives "file not found" error when you specify a relative path in "path"
– Joey
Mar 23 '17 at 22:22
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How to show all privileges from a user in oracle?
... You need privileges to the UTL_FILE package or else you get an error when running Pete Finnigan's script: "identifier 'UTL_FILE' must be declared". You can connect as sys with roll sysdba through SQL Developer and then it will work or grant yourself execute privileges to this package usi...
Design patterns or best practices for shell scripts [closed]
...iables inside the function as local:
function foo {
local bar="$0"
}
Error prone situations
In bash, unless you declare otherwise, an unset variable is used as an empty string. This is very dangerous in case of typo, as the badly typed variable will not be reported, and it will be evaluated a...
What exactly does Perl's “bless” do?
... // 'use strict'; // uncommenting this prevents corruption and raises an error instead.
var Person = function() {
this.name = "Sam";
};
// var wrong = Person(); // oops! we have overwritten window.name or global.main.
// console.log(window.name); // my window's name is Sam?
...
Can JSON start with “[”?
...ou attempted to call JSONObject.parse(books.toString()); you would get the error you encountered:
java.io.IOException: Expecting '{' on line 1, column 2 instead, obtained token: 'Token: ['
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Why are quaternions used for rotations?
...orthonormalize every couple of animation steps, due to numerical round-off errors.
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Using build types in Gradle to run same app that uses ContentProvider on one device
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For someone that can't run gradle, bacause sintaxy error. Here is the answer: stackoverflow.com/questions/20678118/…
– Renan Franca
May 24 '14 at 12:59
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Database design for audit logging
...ontent ON CurrentRevision = Revision AND ID = PageID
There might be some errors up there...this is off the top of my head. It should give you an idea of an alternative pattern, though.
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Is Fortran easier to optimize than C for heavy calculations?
...rtran, but it is up to the programmer and not the compiler to detect these errors. Thus Fortran compilers ignore possible aliasing of memory pointers and allow them to generate more efficient code. Take a look at this little example in C:
void transform (float *output, float const * input, float co...
What is the preferred/idiomatic way to insert into a map?
...::MyClass' : no appropriate default constructor available"
// Coliru: "error: no matching function for call to 'MyClass::MyClass()"
myMap[0] = MyClass(1);
return 0;
}
However, if you replace myMap[0] = MyClass(1); by the following line, then the code compiles and the insertion takes p...