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R memory management / cannot allocate vector of size n Mb

...to a minimum when you need to make objects of this size. Use gc() to clear now unused memory, or, better only create the object you need in one session. If the above cannot help, get a 64-bit machine with as much RAM as you can afford, and install 64-bit R. If you cannot do that there are many o...
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Alternatives to gprof [closed]

...s still a bottleneck, but program counter sampling will not see it because now the hotspot is in string-compare. On the other hand if it were to sample the extended program counter (the call stack), the point at which the string-compare is called, the sort loop, is clearly displayed. In fact, gprof ...
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Deprecated Java HttpClient - How hard can it be?

...kHttp on Android. They messed up with a forked Apache Http Client, that is now legacy. – sschrass Nov 25 '16 at 10:03  |  show 4 more comments...
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Bubble Sort Homework

... To explain why your script isn't working right now, I'll rename the variable unsorted to sorted. At first, your list isn't yet sorted. Of course, we set sorted to False. As soon as we start the while loop, we assume that the list is already sorted. The idea is this: as ...
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JPA: what is the proper pattern for iterating over large result sets?

...e've just migrated from JBoss 4.x to JBoss 5.1, so we've stuck with it for now, and thus the latest Hibernate we can use is 3.3.2. Adding couple of extra parameters did the job, and code like this runs without OOMEs: StatelessSession session = ((Session) entityManager.getDelegate()).getSes...
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How to check if one DateTime is greater than the other in C#

... new DateTime(2015,1,1); DateTime end = new DateTime(2015,12,31); DateTime now = new DateTime(2015,8,20); if(now.IsBetween(start, end)) { //Your code here } share | improve this answer ...
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How to write iOS app purely in C

...plicationMain(int, ...); // Entry point of the application. If you don't know what this is by now, // then you probably shouldn't be reading the rest of this post. int main(int argc, char *argv[]) { // Create an @autoreleasepool, using the old-stye API. // Note that while NSAutoreleasePoo...
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Storing images in SQL Server?

...inning, or add an additional filegroup later. Let's call it "LARGE_DATA". Now, whenever you have a new table to create which needs to store VARCHAR(MAX) or VARBINARY(MAX) columns, you can specify this file group for the large data: CREATE TABLE dbo.YourTable (....... define the fields here ....
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When to use -retainCount?

I would like to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it. ...
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In Clojure 1.3, How to read and write a file

I'd like to know the "recommended" way of reading and writing a file in clojure 1.3 . 6 Answers ...