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recursively add file extension to all files
... seen bash scripts for changing the file extension but not for just adding one. It also needs to be recursive, can someone help please?
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Removing Data From ElasticSearch
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You can delete using cURL or visually using one of the many tools that open source enthusiasts have created for Elasticsearch.
Using cURL
curl -XDELETE localhost:9200/index/type/documentID
e.g.
curl -XDELETE localhost:9200/shop/product/1
You will then receive a...
MySQL Creating tables with Foreign Keys giving errno: 150
...hen the Child table. If both tables references each other, you must create one table without FK constraints, then create the second table, then add the FK constraint to the first table with ALTER TABLE.
The two tables must both support foreign key constraints, i.e. ENGINE=InnoDB. Other storage engi...
Duplicate and rename Xcode project & associated folders [closed]
...s other StackOverflow posts and tutorials around the internet brought into one place for my future reference, and to help anyone else who may be facing the same issue. All credit is given for other answers at the end.
Duplicating an Xcode Project
In the Finder, duplicate the project folder to the...
How to use Boost in Visual Studio 2010
...equested, and include information on compiling in the various optional components which requires external libraries.
If you are using headers only libraries, then all you need to do is to unarchive the boost download and set up the environment variables. The instruction below set the environment va...
CKEditor instance already exists
...hankers! I love how Stack Overflow always just solves all my problems with one search.
– Tommi Forsström
Jul 9 '12 at 18:21
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When is the @JsonProperty property used and what is it used for?
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I think OldCurmudgeon and StaxMan are both correct but here is one sentence answer with simple example for you.
@JsonProperty(name), tells Jackson ObjectMapper to map the JSON property name to the annotated Java field's name.
//example of json that is submitted
"Car":{
"Type":"Ferra...
Adding a column to a data.frame
... c(1:4, 1:7, 1:5), h_freq = runif(16), h_freqsq = runif(16))
# find where one appears and
from <- which(your.df$no == 1)
to <- c((from-1)[-1], nrow(your.df)) # up to which point the sequence runs
# generate a sequence (len) and based on its length, repeat a consecutive number len times
get....
Is Java Regex Thread Safe?
...t contains the source code for the public classes in the java package") so one can take a quick peek oneself.
– David Tonhofer
Nov 18 '13 at 15:40
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Python: How to ignore an exception and proceed? [duplicate]
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This is a better answer than the one that was accepted because it uses "except Exception:" instead of just "except:" which as others have pointed out will improperly swallow other things that you don't want to catch like SystemExit and KeyboardInterrupt.
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