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find -exec with multiple commands
I am trying to use find -exec with multiple commands without any success. Does anybody know if commands such as the following are possible?
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What is your single most favorite command-line trick using Bash? [closed]
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Renaming/moving files with suffixes quickly:
cp /home/foo/realllylongname.cpp{,-old}
This expands to:
cp /home/foo/realllylongname.cpp /home/foo/realllylongname.cpp-old
share
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Declaration of Methods should be Compatible with Parent Methods in PHP
...ls which may fail at run-time. Suppose you have
class A { public function foo($a = 1) {;}}
class B extends A { public function foo($a) {;}}
function bar(A $a) {$a->foo();}
The compiler only checks the call $a->foo() against the requirements of A::foo() which requires no parameters. $a may h...
How does the Comma Operator work
...n whatsoever if it does not affect the final result (e.g. false && foo() will skip the call to foo). This is however not the case for comma operator and the above steps will always happen*.
In practice, the default comma operator works almost the same way as a semicolon. The difference is t...
How to get the request parameters in Symfony 2?
...Foundation\Request;
public function updateAction(Request $request)
{
$foo = $request->get('foo');
$bar = $request->get('bar');
}
Another option is to introduce your parameters into your action function definition:
use Symfony\Component\HttpFoundation\Request;
public function updat...
List of zeros in python [duplicate]
How can I create a list which contains only zeros? I want to be able to create a zeros list for each int in range(10)
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Why does this async action hang?
...nd a common mistake with the TPL, so don't feel bad.
When you write await foo, the runtime, by default, schedules the continuation of the function on the same SynchronizationContext that the method started on. In English, let's say you called your ExecuteAsync from the UI thread. Your query runs on...
What is monkey patching?
...monkey-patching in the Pandas documentation:
import pandas as pd
def just_foo_cols(self):
"""Get a list of column names containing the string 'foo'
"""
return [x for x in self.columns if 'foo' in x]
pd.DataFrame.just_foo_cols = just_foo_cols # monkey-patch the DataFrame class
df = pd....
While loop to test if a file exists in bash
I'm working on a shell script that does certain changes on a txt file only if it does exist, however this test loop doesn't work, I wonder why?
Thank you!
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
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foo(arg) and (&foo)(arg) are equivalent, they call foo with argument arg. newty.de/fpt/fpt.html is an interesting page about function pointers.
– Mat
Oct 29 '11 at 8:57
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