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Pure JavaScript Send POST Data Without a Form

... the returned data } // end of state change: it can be after some time (async) }; xhr.open('GET', yourUrl, true); xhr.send(); share | improve this answer | follow ...
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Replace all whitespace characters

...equal to [\r\n\t\f\v ]) + Quantifier — Matches between one and unlimited times, as many times as possible, giving back as needed (greedy) Global pattern flags g modifier: global. All matches (don't return after first match) ...
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Max size of an iOS application

...he total of all __TEXT sections in the binary. However, consider download times when determining your app’s size. Minimize the file’s size as much as possible, keeping in mind that there is a 100 MB limit for over-the-air downloads. This information can be found at iTunes Connect Developer Gui...
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How do you rotate a two dimensional array?

... O(n^2) time and O(1) space algorithm ( without any workarounds and hanky-panky stuff! ) Rotate by +90: Transpose Reverse each row Rotate by -90: Method 1 : Transpose Reverse each column Method 2 : Reverse each row Transp...
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How do I get java logging output to appear on a single line?

...Date dat = new Date(); private final static String format = "{0,date} {0,time}"; private MessageFormat formatter; private Object args[] = new Object[1]; // Line separator string. This is the value of the line.separator // property at the moment that the SimpleFormatter was created. //p...
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Finding all possible combinations of numbers to reach a given sum

...others mention this is an NP-hard problem. It can be solved in exponential time O(2^n), for instance for n=10 there will be 1024 possible solutions. If the targets you are trying to reach are in a low range then this algorithm works. So for instance: subset_sum([1,2,3,4,5,6,7,8,9,10],100000) genera...
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Can't compare naive and aware datetime.now()

I am trying to compare the current date and time with dates and times specified in models using comparison operators: 7 Ans...
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Best way to repeat a character in C#

...about this: string tabs = new String('\t', n); Where n is the number of times you want to repeat the string. Or better: static string Tabs(int n) { return new String('\t', n); } share | im...
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How can I transition height: 0; to height: auto; using CSS?

...t solution! The speed of the transition is calculated is calculated as the time you specify to transition to the max-height value... but since height will be less than max-height, the transition to actual height will occur faster (often significantly) than the time specified. –...
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How can I remove specific rules from iptables?

... try to execute this -D command multiple times, and it will delete all of them. – Zhenyu Li Sep 17 '14 at 11:09 4 ...