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Why can I access private variables in the copy constructor?
...many operations can involve two or more instances of your class: if you're comparing, adding/multiplying/dividing, copy-constructing, cloning, assigning etc. then it's often the case that you either simply must have access to private and/or protected data in the other object, or want it to allow a s...
What kind of Garbage Collection does Go use?
...ncurrent collector
tri-color mark-and-sweep algorithm
non-generational
non-compacting
fully precise
incurs a small cost if the program is moving pointers around
lower latency, but most likely also lower throughput, than Go 1.3 GC
Go 1.3 garbage collector updates on top of Go 1.1:
concurrent swee...
How to write multiple line string using Bash with variables?
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The syntax (<<<) and the command used (echo) is wrong.
Correct would be:
#!/bin/bash
kernel="2.6.39"
distro="xyz"
cat >/etc/myconfig.conf <<EOL
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
EOL
cat /etc/myconfig.conf
Th...
Suppressing “is never used” and “is never assigned to” warnings in C#
...numbers yourself (ie. how did I know to use 0169 and 0649), you do this:
Compile the code as normal, this will add some warnings to your error list in Visual Studio
Switch to the Output window, and the Build output, and hunt for the same warnings
Copy the 4-digit warning code from the relevant mes...
Do you need break in switch when return is used?
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Rails: How to list database tables/objects using the Rails console?
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How to Remove ReadOnly Attribute on File Using PowerShell?
...se problems. I'll blog the problems I'm seeing and link to it later. I recommend Keith's answer for PowerShell v2 (modern PowerShell).
– yzorg
Apr 21 '11 at 22:39
3
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How can I remove a key and its value from an associative array?
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Here is a link to a solution that illustrates the comment by @FreeAsInBeer link with respect to the ampersand.
– Danimal Reks
Jun 4 '19 at 21:52
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Ruby custom error classes: inheritance of the message attribute
... edited May 23 '17 at 12:26
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111 silver badge
answered Apr 19 '13 at 15:31
StefanStefan
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Get value of dynamically chosen class constant in PHP
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@DavidBaucum why would you wanna over-complicate this? The request is quite simple and involves no outside, user manipulable input. Aside from that, you're calling another function because, I guess, you don't like the string to be concatenated with delimiters?
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