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Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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Asynchronous shell exec in PHP
...e got a PHP script that needs to invoke a shell script but doesn't care at all about the output. The shell script makes a number of SOAP calls and is slow to complete, so I don't want to slow down the PHP request while it waits for a reply. In fact, the PHP request should be able to exit without ter...
What's the Hi/Lo algorithm?
...ke up a primary key- a "high" number and a "low" number. A client can basically increment the "high" sequence, knowing that it can then safely generate keys from the entire range of the previous "high" value with the variety of "low" values.
For instance, supposing you have a "high" sequence with a...
Why does one hot encoding improve machine learning performance?
...e. The three possible values of w×x are 0, w and 2×w. Either these three all lead to the same decision (they're all < b or ≥b) or "UK" and "French" lead to the same decision, or "French" and "US" give the same decision. There's no possibility for the model to learn that "UK" and "US" should b...
“unadd” a file to svn before commit
...Ok, I guess you and I understand this phrase differently: without deleting all the documents. Unfortunately, svn revert does also delete the newly added changes in the working copy, by restoring the lastest HEAD version. I removed my downvote, but I still feel the warning is important.
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Subversion stuck due to “previous operation has not finished”?
...ame it to replace the missing file, run the cleanup, no errors this thime, ALL FIXED!!
– Jhollman
Sep 13 '18 at 16:15
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IntelliJ IDEA generating serialVersionUID
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I have reinstalled IDEA and removed plug-ins and it helps me. Tnx a lot.
– Kirill Bazarov
Oct 16 '12 at 12:10
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image processing to improve tesseract OCR accuracy
... highly pixellated - for example that generated by fax machines - is especially difficult for tesseract to process - presumably all those jagged edges to the characters confound the shape-recognition algorithms.
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Get source JARs from Maven repository
...e" afterwards and then refresh your project in eclipse--saves you from manually attaching sources to each file.
– unigeek
Apr 3 '14 at 15:06
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How does Apple find dates, times and addresses in emails?
...ay be wrong). On the other hand I'd except the naiive approach of encoding all common formats to perform way better (possibly 0.99+ given that the most frequent formats will never be missed) and to be faster to implement + at runtime.
– b.buchhold
Feb 25 '12 at...