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SQL Server IN vs. EXISTS Performance

... The accepted answer is shortsighted and the question a bit loose in that: 1) Neither explicitly mention whether a covering index is present in the left, right, or both sides. 2) Neither takes into account the size of input left side set and input right side set. ...
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How to resize an image with OpenCV2.0 and Python2.6

...ze(image, (0,0), fx=0.5, fy=0.5) and this will resize the image to have 100 cols (width) and 50 rows (height): resized_image = cv2.resize(image, (100, 50)) Another option is to use scipy module, by using: small = scipy.misc.imresize(image, 0.5) There are obviously more options you can read...
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How to use greater than operator with date?

... It bears noting that MySQL seems a bit picky about the date format; while either 2019/02/08 21:04:07 or 2019-02-08 21:04:07 produces the expected outcome, 02-08-2019 21:04:07, using the US date format, casts a much wider net. – David A. G...
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Mongod complains that there is no /data/db folder

...ebody finds it useful: I had the same problem, but the error message was a bit different (said that the group 'mongod' doesn't exists when I tried chown mongod:mongod) -> however, using chown $USER worked for me, thanks... – trainoasis Jan 20 '14 at 10:43 ...
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Adding a library/JAR to an Eclipse Android project

...ng class problem. I'm an Eclipse Java EE developer and have been in the habit for many years of adding third-party libraries via the "User Library" mechanism in Build Path. Of course, there are at least 3 ways to add a third-party library, the one I use is the most elegant, in my humble opinion. T...
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Defining static const integer members in class definition

... @Fabian I am traveling and on a phone and a bit busy...but I would think that your comment sounds like it would be best written as a new question. Write up a MCVE including the error you get, also maybe throw in what gcc says. I bet people would tell you quickly what...
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GPL and LGPL open source licensing restrictions [closed]

...ward in fact that you need to engage a lawyer just to see if you can use a bit of code. This is why developers should never use GPL licenses. – Womble Jun 1 '17 at 0:53 add a ...
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What is bootstrapping?

...OM, but I recall the bootstrap process on the PDP-11, where you would poke bits via the front-panel switches to load a particular disk segment into memory, and then run it. Needless to say, the bootstrap loader is normally pretty small. "Bootstrapping" is also used as a term for building a system u...
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Use Expect in a Bash script to provide a password to an SSH command

... @pietrushnic can you explain a bit why use "interact -o -nobuffer -re $prompt return", instead of "expect $prompt"? the latter one looks more commonly used.. – Richard Sep 20 '12 at 11:12 ...
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PHP MySQL Google Chart JSON - Complete Example

...art.if u need other charts such as Bar chart, u will need to change little bit to make work with bar chart and others charts $sth = mysql_query("SELECT * FROM chart"); while($r = mysql_fetch_assoc($sth)) { $arr2=array_keys($r); $arr1=array_values($r); } for($i=0;$i<count($arr1);$i++) { $ch...