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ADB not recognising Nexus 4 under Windows 7
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@TimBellis, I got the USB driver via SDK Manager.exe. In order to get that to run I had to set JAVA_HOME to the location of my JDK.
– Ben Challenor
Feb 9 '13 at 12:14
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defaultdict of defaultdict?
Is there a way to have a defaultdict(defaultdict(int)) in order to make the following code work?
6 Answers
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What should be in my .gitignore for an Android Studio project?
...ermediates/dex-cache/cache.xml - wouldn't it make sense to add **/build in order to exclude the build folders in the modules as well?
– Oliver Hausler
Nov 30 '14 at 17:18
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Is it possible to get element from HashMap by its position?
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HashMaps do not preserve ordering:
This class makes no guarantees as to
the order of the map; in particular,
it does not guarantee that the order
will remain constant over time.
Take a look at LinkedHashMap, which guarantees a predictable...
What is the most efficient way to concatenate N arrays?
...further to
a.push(...b)
However, it seems that for large arrays (of the order of 100,000 members or more), the technique passing an array of elements to push (either using apply() or the ECMAScript 2015 spread operator) can fail. For such arrays, using a loop is a better approach. See https://sta...
Check whether an input string contains a number in javascript
...It checks for string contain both letters and numbers only of any sequence order.
Example:
function matchExpression( str ) {
var rgularExp = {
contains_alphaNumeric : /^(?!-)(?!.*-)[A-Za-z0-9-]+(?<!-)$/,
containsNumber : /\d+/,
containsAlphabet : /[a-zA-Z]/,
...
Tricks to manage the available memory in an R session
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That's a good technique. When files are run in a certain order like that, I often prefix them with a number: 1-load.r, 2-explore.r, 3-model.r - that way it's obvious to others that there is some order present.
– hadley
Sep 4 '09 at 13:02
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How to save MySQL query output to excel or .txt file? [duplicate]
...ion which
accepts data in CSV format.
Given a query such as
SELECT order_id,product_name,qty FROM orders
which returns three columns of data, the results can be placed into
the file /tmp/orders.txt using the query:
SELECT order_id,product_name,qty FROM orders
INTO OUTFILE '/tmp/orde...
Sort a text file by line length including spaces
... such lines being sorted against each other, and keep them in the relative order in which they occur in the input.
(Those who want more control of sorting these ties might look at sort's --key option.)
Why the question's attempted solution fails (awk line-rebuilding):
It is interesting to note th...
Swift how to sort array of custom objects by property value
...rted(by: { $0.fileID > $1.fileID })
The example above gives desc sort order
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