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How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
...nnection('database')->getQueryLog()
– Damien Ó Ceallaigh
Sep 27 '18 at 3:27
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show 9 more comments
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How to customize an end time for a YouTube video?
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This shit changes all the time. Read the API developers.google.com/youtube/documentation
– PHearst
Aug 10 '15 at 17:55
5
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How do I check in SQLite whether a table exists?
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there is also similar construct for indexes: create index if not exists TableName_col1 on TableName(col1)
– lowtech
Dec 2 '13 at 14:34
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Is there a common Java utility to break a list into batches?
...ge(0, numbers.size())
.boxed()
.collect(groupingBy(index -> index / 4))
.values()
.stream()
.map(indices -> indices
.stream()
.map(numbers::get)
.collect(toList()))
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... are offset from each other by 2048*sizeof(float) and thus map to the same index in the L1 cache. With an N-way associative cache you will have typically have 1-8 cache locations for all of these. Thus almost all of those accesses will trigger an L1 cache eviction, and fetching of data from a slow...
How can I see what I am about to push with git?
... This isn't exactly what you want. You should diff HEAD, not the index, against origin (git diff origin/master HEAD). Diffing the index will give the same results if and only if you have no changes staged for commit. If you have changes staged, they'll be included in the diff, but clearly ...
Why do you need to put #!/bin/bash at the beginning of a script file?
I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning.
9 Answers
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How to Correctly Use Lists in R?
...t lists.
R lists are very much like a hash map data structure in that each index value can be associated with any object. Here's a simple example of a list that contains 3 different classes (including a function):
> complicated.list <- list("a"=1:4, "b"=1:3, "c"=matrix(1:4, nrow=2), "d"=searc...
Why do python lists have pop() but not push()
...ere's already a list.pop that removes and returns the last element (that indexed at -1) and list.append semantic is consistent with that use?
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Running the new Intel emulator for Android
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I had the same issue, solved it by Installing the Intel Hardware Accelerated Execution Manager. Download it with the SDK Manager, it's in Extras. After this, go to the folder
[Android SDK Root]\extras\intel\Hardware_Accelerated_Execution_Manager
then run IntelHa...
