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Which C++ idioms are deprecated in C++11?
...lly deduced would help a lot making the syntax more easily comparable to a raw loop.
Basically, reading algorithms made with standard algorithms are far easier as words hiding the implementation details of the loops.
I'm guessing only higher level algorithms have to be thought about now that we ha...
Multiple arguments vs. options object
...the last three are optional.
So why not do this? (Note: This is fairly raw Javascript. Normally I'd use a default hash and update it with the options passed in by using Object.extend or JQuery.extend or similar..)
function map(nodeList, callback, options) {
options = options || {};
var t...
Rolling or sliding window iterator?
...ables and small windows. On larger windows, the deque pulls ahead again in raw speed.
Access to individual items in the deque may be faster or slower than with lists or tuples. (Items near the beginning are faster, or items near the end if you use a negative index.) I put a sum(w) in the body of my...
Microsoft Excel mangles Diacritics in .csv files?
...ion where they don't particularly support Excel < 2007, but are sending raw UTF8 text to Excel, which is misinterpreting it and sprinkling your text with à and other similar Windows-1252 characters. Adding the UTF8 BOM is probably your best and quickest fix.
If you are stuck with users on olde...
Fast way to get image dimensions (not filesize)
...know how much room it must reserve before starting to read the file. Some "raw" type file formats might just be a stream of bytes with some "end of line" byte at the end of each horizontal row of pixels (in which case the software must read the first line and divide the size of the byte stream by th...
What is the difference between buffer and cache memory in Linux?
...er caches. Since 2.4, the page and buffer cache are unified and Buffers is raw disk blocks not represented in the page cache—i.e., not file data. The Buffers metric is thus of minimal importance. On most systems, Buffers is often only tens of megabytes.
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An efficient way to transpose a file in Bash
...es an array for the input lines after parsing each line as JSON, and -r (--raw-output) outputs the contents of strings instead of JSON string literals. The / operator is overloaded to split strings.
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Test a weekly cron job [closed]
...stLog
parseArgs "$@"
log "crontest starting at $(date)"
log "Raw command line: $@"
log "Inner args: $@"
log "screenBin: $screenBin"
log "useBashdb: $( if $useBashdb; then echo YES; else echo no; fi )"
log "useScreen: $( if $useScreen; then echo YES; else echo no; fi )"
...
What is the relative performance difference of if/else versus switch statement in Java?
...s which gives a much more performance gain than only (micro)optimizing the raw Java code.
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What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get
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XMLHttpRequest is the raw browser object that jQuery wraps into a more usable and simplified form and cross browser consistent functionality.
jQuery.ajax is a general Ajax requester in jQuery that can do any type and content requests.
jQuery.get a...