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How does python numpy.where() work?
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How do I speed up the gwt compiler?
...ditional overhead from compile time.
Bottom line: you're not going to get order-of-magnitude increase in compiler performance, but taking several relaxations, you can shave off a few minutes here and there.
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What does $_ mean in PowerShell?
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Performance surprise with “as” and nullable types
...estingly, I passed on feedback about operator support via dynamic being an order-of-magnitude slower for Nullable<T> (similar to this early test) - I suspect for very similar reasons.
Gotta love Nullable<T>. Another fun one is that even though the JIT spots (and removes) null for non-nu...
How to run a background task in a servlet based web application?
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I would suggest using a library like quartz in order to run the task at regular intervals. What does the servlet really do ? It sends you a report ?
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Two single-column indexes vs one two-column index in MySQL?
...he first three columns, and so on. If you specify the columns in the right order in the index definition, a single composite index can speed up several kinds of queries on the same table." - Multiple-Column Indexes
– AlikElzin-kilaka
Sep 9 '18 at 4:46
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CSS Selector “(A or B) and C”?
... As of five o'clock this morning, yes! I have js that spits out first order logic, with selectors at the leaves, giving results such as :not(:not([data-status="ACT"]):not([data-status="ISS"]):not([data-status="COR"]))[data-month="08"]. The code is not clean enough for public perusal, yet, othe...
Service Temporarily Unavailable Magento?
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Check if there is a file called maintenance.flag and if so delete it.
Magento 1.x : maintenance.flag file is in : magento root directory
Magento 2.x : maintenance.flag file is in : var folder
When Magento is performing certain tasks it t...
Build Eclipse Java Project from Command Line
...r199 (Compiler API) and the support for jsr269 (Annotation processing). In order to use the annotations processing support, a 1.6 VM is required.
Running the batch compiler From the command line would give
java -jar org.eclipse.jdt.core_3.4.0<qualifier>.jar -classpath rt.jar A.java
or:
j...
Redirect Windows cmd stdout and stderr to a single file
...y "cmd" parses commands that gives two different meanings depending on the order in which you specify the redirection. But are the semantic rules documented anywhere because I reckon this is something worthwhile to learn as it could waste hours.
– igbgotiz
Jul ...