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What are the rules about using an underscore in a C++ identifier?
... C++ Standard:
17.4.3.1.2 Global names [lib.global.names]
Certain sets of names and function signatures are always reserved to the implementation:
Each name that contains a double underscore (__) or begins with an underscore followed by an uppercase letter (2.11) is reserved to the ...
How do you use an identity file with rsync?
...rted, and or specified for a key when it is added.
You might also want to setup a ~/.ssh/config file to supply the port and key definition. (See `man ssh_config for more options.)
host 22.33.44.55
IdentityFile ~/.ssh/1234-identity
Port 1234
Single quoting the ssh command will prevent she...
How can I check if an argument is defined when starting/calling a batch file?
...
The check for whether a commandline argument has been set can be [%1]==[], but, as Dave Costa points out, "%1"=="" will also work.
I also fixed a syntax error in the usage echo to escape the greater-than and less-than signs. In addition, the exit needs a /B argument otherwise C...
How to convert comma-delimited string to list in Python?
... in mStr.split(',')]
It is called list comprehension, and it is based on set builder notation.
ex:
>>> mStr = "1,A,B,3,4"
>>> mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
>>> mList
>>> [1,'A','B',3,4]
...
How do you rebase the current branch's changes on top of changes being merged in?
...(since its divergence from master) and replays them on top of master, then sets the head of the current branch to be the head of that new history. It doesn't replay the changes from master on top of the current branch.
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JQuery .on() method with multiple event handlers to one selector
...o.
It works because output of most jQuery functions are the input objects sets so you can use them right away and make it shorter and smarter
function showPhotos() {
$(this).find("span").slideToggle();
}
$(".photos")
.on("mouseenter", "li", showPhotos)
.on("mouseleave", "li", showPhot...
Scaling Node.js
... redis when used with hiredis.
PING: 20000 ops 46189.38 ops/sec 1/4/1.082
SET: 20000 ops 41237.11 ops/sec 0/6/1.210
GET: 20000 ops 39682.54 ops/sec 1/7/1.257
INCR: 20000 ops 40080.16 ops/sec 0/8/1.242
LPUSH: 20000 ops 41152.26 ops/sec 0/3/1.212
LRANGE (10 elements): 20000 ops 36563.07 ops/sec 1/8/1...
How do I get rid of this unwanted bar from Eclipse?
... not be on the far right of the toolbar ribbon, just depends on how you've set it up. +1 for a crap UI idea.
– MetalRules
Apr 18 at 22:55
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...rsion 1.9.4. Maybe this was fixed in a recent version.
Also, I suggest the setorder(DT, -x) syntax in keeping with the set* commands like setnames, setkey
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z-index not working with position absolute
... (the default) so the z-index does not apply to it.
You need to position (set the position property to anything other than static, you probably want relative in this case) anything you want to give a z-index to.
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