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Why do we copy then move?
I saw code somewhere in which someone decided to copy an object and subsequently move it to a data member of a class. This left me in confusion in that I thought the whole point of moving was to avoid copying. Here is the example:
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Git push error '[remote rejected] master -> master (branch is currently checked out)'
Yesterday, I posted a question on how to clone a Git repository from one of my machines to another, How can I 'git clone' from another machine? .
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Why are C++ inline functions in the header?
...ion about how to use inline functions or how they work, more why they are done the way they are.
8 Answers
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How to send a command to all panes in tmux?
...he party but I didn't want to set and unset synchronize-panes just to send one command so I created a wrapper function around tmux and added a custom function called send-keys-all-panes.
_tmux_send_keys_all_panes_ () {
for _pane in $(tmux list-panes -F '#P'); do
tmux send-keys -t ${_pane} "$@...
Best practices for using Markers in SLF4J/Logback
...s] are used for "special" events that you want to have filtered from usual ones
So your assertion that You want to use MDC for this. Markers are for highlighting "special" events--filtering, if you will--rather than "slicing". For example, you might slice based on a particular user, but filter bas...
Collapse sequences of white space into a single character and trim string
...icate predicateWithFormat:@"SELF != ''"];
NSArray *parts = [theString componentsSeparatedByCharactersInSet:whitespaces];
NSArray *filteredArray = [parts filteredArrayUsingPredicate:noEmptyStrings];
theString = [filteredArray componentsJoinedByString:@" "];
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Apache2: 'AH01630: client denied by server configuration'
... hostname, IP address, and other
characteristics of client requests was done using the directives
Order, Allow, Deny, and Satisfy.
In 2.4, such access control is done in the same way as other
authorization checks, using the new module mod_authz_host.
The new directive is Require:
2.2 c...
How many constructor arguments is too many?
...The ideal number of arguments for a function is zero (niladic). Next comes one (monadic) followed closely by two (dyadic). Three arguments (triadic) should be avoided where possible. More than three (polyadic) requires very special justification—and then shouldn't be used anyway.
He says this be...
What is the difference between atomic / volatile / synchronized?
..., then the first assigns a new value to i (say, from 1 to 6) and the other one does the same thing (from 1 to 6).
The synchronization must span from reading to assigning a value. Your first synchronization has no effect (reading an int is atomic) and the second as well. In my opinion, these are the...
How to do constructor chaining in C#
... others? This way you aren't coding default values (0 and "") in more than one place (less chance for an error). For example: public Foo(int id) : this () { this.id = id; }? Alternatively, I was also considering: public Foo(int id) : this ("") { this.id = id; }. Just looking for the best logical way...