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How can I default a parameter to Guid.Empty in C#?
...ft.com/en-gb/library/system.typecode.aspx
(note that enum usually inherits int, which is a primitive)
But new Guid() is not a constant too!
I'm not saying it needs a constant. It needs something that can be decided in compile time. Empty is a field, so, it's value is not known in compile time (onl...
Nested attributes unpermitted parameters
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If you use a JSONB field, you must convert it to JSON with .to_json (ROR)
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Multiple commands in gdb separated by some sort of delimiter ';'?
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Bad method when gdb is invoked just to print stacktrace of the invoker: execlp("gdb", "gdb", "-batch", "-n", "-ex", "bt full", ... and I can't turn off pagination.
– Vi.
Jun 30 '10 at 18:01
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Read a zipped file as a pandas DataFrame
I'm trying to unzip a csv file and pass it into pandas so I can work on the file.
The code I have tried so far is:
5 Ans...
Has anyone used Coffeescript for a production application? [closed]
...concern. It's entirely likely, from the text I've given, that we've simply converted already working javascript into coffeescript, hence no serious debugging is yet required
– PandaWood
Jan 30 '12 at 0:58
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Update git commit author date when amending
... in the source code of git(1) in date.c 'now' is a special value which is converted using date_now() function. Same for 'noon', 'yesterday', 'midnight', 'tea' and others listed in the structure array special[].
– sbz
Jul 29 '16 at 0:18
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Command line: piping find results to rm
...d -type f -name '*.sql' -mtime +15 | xargs rm
xargs is the command that "converts" its standard input into arguments of another program, or, as they more accurately put it on the man page,
build and execute command lines from standard input
Note that if file names can contain whitespace char...
Resolve absolute path from relative path and/or file name
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I came across a similar need this morning: how to convert a relative path into an absolute path inside a Windows command script.
The following did the trick:
@echo off
set REL_PATH=..\..\
set ABS_PATH=
rem // Save current directory and change to target directory
pushd %R...
What is a race condition?
...x == 5)" and "y = x * 2" above,
// y will not be equal to 10.
}
The point being, y could be 10, or it could be anything, depending on whether another thread changed x in between the check and act. You have no real way of knowing.
In order to prevent race conditions from occurring, you would ty...
Test for existence of nested JavaScript object key
... arguments is not actually an array. Array.prototype.slice.call(arguments) converts it to a formal array. Learn
– deefour
Nov 10 '12 at 1:00
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