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File I/O in Every Programming Language [closed]
...AT"
ORGANIZATION IS LINE SEQUENTIAL.
DATA DIVISION.
FILE SECTION.
FD TestFile.
01 TestData.
02 LineNum PIC X.
02 LineText PIC X(72).
PROCEDURE DIVISION.
Begin.
OPEN OUTPUT TestFile
DISPLAY "This language is still around."
PERFORM GetFileDetails
PERFORM...
XPath: How to check if an attribute exists?
...wing XML, how do I write an XPath query to pull nodes where the attribute foo exists?:
3 Answers
...
How to use concerns in Rails 4
...ort::Concern.
Example 2: Handle module dependencies gracefully.
module Foo
def self.included(base)
base.class_eval do
def self.method_injected_by_foo_to_host_klass
...
end
end
end
end
module Bar
def self.included(base)
base.method_injected_by_foo_to_host_kl...
Get the name of the currently executing method
...
Even better than my first answer you can use __method__:
class Foo
def test_method
__method__
end
end
This returns a symbol – for example, :test_method. To return the method name as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
...
Pragma in define macro
...NGIFY( weak delete_ ## type ## _ = delete_ ## type) )
DEFINE_DELETE_OBJECT(foo);
when put into gcc -E gives
void delete_foo_(int handle); void delete_foo(int handle);
#pragma weak delete_foo_ = delete_foo
;
share
...
Is JavaScript a pass-by-reference or pass-by-value language?
...ct, and do the assignment at the point where you call the function. E.g., foo = GetNewFoo(); instead of GetNewFoo(foo);
– Tim Goodman
Aug 5 '13 at 15:26
59
...
console.log timestamps in Chrome?
...
There's also console.timeStamp('foo') it just appears as a yellow point in the timeline. It didn't work for me when using names with spaces tho.
– Vitim.us
Nov 29 '16 at 22:03
...
Use Mockito to mock some methods but not others
...
According to docs :
Foo mock = mock(Foo.class, CALLS_REAL_METHODS);
// this calls the real implementation of Foo.getSomething()
value = mock.getSomething();
when(mock.getSomething()).thenReturn(fakeValue);
// now fakeValue is returned
value =...
How do I ignore files in Subversion?
...cd ~/myRepoRoot # Open an existing repo.
echo "foo" > "ignoreThis.txt" # Create a file called "ignoreThis.txt".
svn status # Check to see if the file is ignored or not.
> ? ./ignoreThis.txt
> 1 unversioned file ...
Is there a naming convention for MySQL?
...is not always possible. Think about how you would cope with a single table foo_bar that has columns foo_id and another_foo_id both of which reference the foo table foo_id column. You might want to consider how to deal with this. This is a bit of a corner case though!
Point 4 - Similar to Point 3. Y...