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markhneedham.com

2015

Neo4j: From JSON to CSV to LOAD CSV via jqoriginal ↗
25 Jul 2015
Neo4j: Loading JSON documents with Cypheroriginal ↗
23 Jul 2015
Neo4j 2.2.3: neo4j-import - Encoder StringEncoder[2] returned an illegal encoded value 0original ↗
21 Jul 2015
R: Bootstrap confidence intervalsoriginal ↗
19 Jul 2015
R: Blog post frequency anomaly detectionoriginal ↗
17 Jul 2015
Neo4j: The football transfers graphoriginal ↗
16 Jul 2015
Python: UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 0: ordinal not in range(128)original ↗
15 Jul 2015
R: I write more in the last week of the month, or do I?original ↗
12 Jul 2015
R: Filling in missing dates with 0soriginal ↗
12 Jul 2015
R: Date for given week/yearoriginal ↗
10 Jul 2015
R: dplyr - Error: cannot modify grouping variableoriginal ↗
9 Jul 2015
Python: Converting WordPress posts in CSV formatoriginal ↗
7 Jul 2015
R: Wimbledon - How do the seeds get on?original ↗
5 Jul 2015
R: Calculating the difference between ordered factor variablesoriginal ↗
2 Jul 2015
R: write.csv - unimplemented type 'list' in 'EncodeElement'original ↗
30 Jun 2015
R: Speeding up the Wimbledon scraping joboriginal ↗
29 Jun 2015
R: dplyr - Update rows with earlier/previous rows valuesoriginal ↗
28 Jun 2015
R: Command line - Error in GenericTranslator$new : could not find function "loadMethod"original ↗
27 Jun 2015
R: dplyr - squashing multiple rows per group into oneoriginal ↗
27 Jun 2015
R: ggplot - Show discrete scale even with no valueoriginal ↗
26 Jun 2015
R: Scraping Wimbledon draw dataoriginal ↗
25 Jun 2015
R: Scraping the release dates of github projectsoriginal ↗
23 Jun 2015
R: Scraping Neo4j release dates with rvestoriginal ↗
21 Jun 2015
R: dplyr - segfault cause 'memory not mapped'original ↗
20 Jun 2015
R: Regex - capturing multiple matches of the same grouporiginal ↗
19 Jun 2015
Coding: Explore and retreatoriginal ↗
17 Jun 2015
Northwind: Finding direct/transitive Reports in SQL and Neo4j's Cypheroriginal ↗
15 Jun 2015
The Willpower Instinct: Reducing time spent mindlessly scrolling for things to readoriginal ↗
12 Jun 2015
Neo4j: Using LOAD CSV to help explore CSV filesoriginal ↗
11 Jun 2015
Mac OS X: GNU sed - Hex string replacement / replacing new line charactersoriginal ↗
11 Jun 2015
Unix: Converting a file of values into a comma separated listoriginal ↗
8 Jun 2015
Netty: Testing encoders/decodersoriginal ↗
5 Jun 2015
Neo4j: Cypher - Step by step to creating a linked list of adjacent nodes using UNWINDoriginal ↗
4 Jun 2015
R: ggplot geom_density - Error in exists(name, envir = env, mode = mode) : argument "env" is missing, with no defaultoriginal ↗
3 Jun 2015
R: dplyr - removing empty rowsoriginal ↗
2 Jun 2015
R: Think Bayes Euro Problemoriginal ↗
31 May 2015
Python: CSV writing - TypeError: 'builtin_function_or_method' object has no attribute '*getitem*'original ↗
31 May 2015
Neo4j: The BBC Champions League graphoriginal ↗
30 May 2015
Python: Look ahead multiple elements in an iterator/generatororiginal ↗
28 May 2015
Neo4j: The foul revenge graphoriginal ↗
26 May 2015
Python: Joining multiple generators/iteratorsoriginal ↗
24 May 2015
Python: Refactoring to iteratororiginal ↗
23 May 2015
Python: UnicodeEncodeError: 'ascii' codec can't encode character u'\xfc' in position 11: ordinal not in range(128)original ↗
21 May 2015
Neo4j: Finding all shortest pathsoriginal ↗
19 May 2015
Neo4j: Refactoring the BBC football live text fouls graphoriginal ↗
17 May 2015
Neo4j: BBC football live text fouls graphoriginal ↗
16 May 2015
R: ggplot - Displaying multiple charts with a for looporiginal ↗
14 May 2015
R: Cohort heatmap of Neo4j London meetuporiginal ↗
11 May 2015
R: Neo4j London meetup group - How many events do people come to?original ↗
9 May 2015
Python: Selecting certain indexes in an arrayoriginal ↗
5 May 2015
Neo4j: LOAD CSV - java.io.InputStreamReader there's a field starting with a quote and whereas it ends that quote there seems to be character in that field after that ending quote. That isn't supported.original ↗
4 May 2015
Coding: Visualising a bitmaporiginal ↗
3 May 2015
Deliberate Practice: Building confidence vs practicingoriginal ↗
30 Apr 2015
R: dplyr - Error in (list: invalid subscript type 'double'original ↗
27 Apr 2015
Deliberate Practice: Watching yourself failoriginal ↗
25 Apr 2015
R: Think Bayes Locomotive Problem - Posterior probabilities for different priorsoriginal ↗
24 Apr 2015
R: Replacing for loops with data framesoriginal ↗
22 Apr 2015
R: Numeric keys in the nested list/dictionaryoriginal ↗
21 Apr 2015
R: non-numeric argument to binary operatororiginal ↗
19 Apr 2015
R: Removing for loopsoriginal ↗
18 Apr 2015
R: Think Bayes - More posterior probability calculationsoriginal ↗
16 Apr 2015
Spark: Generating CSV files to import into Neo4joriginal ↗
14 Apr 2015
R: Creating an object with functions to calculate conditional probabilityoriginal ↗
12 Apr 2015
R: Snakes and ladders markov chainoriginal ↗
9 Apr 2015
Neo4j: The learning to cycle dependency graphoriginal ↗
7 Apr 2015
R: Markov Chain Wikipedia Exampleoriginal ↗
5 Apr 2015
How I met your mother: Story arcsoriginal ↗
3 Apr 2015
Neo4j: Cypher - Building the query for a movie's profile pageoriginal ↗
1 Apr 2015
Python: Creating a skewed random discrete distributionoriginal ↗
30 Mar 2015
InetAddressImpl#lookupAllHostAddr slow/hangsoriginal ↗
29 Mar 2015
Neo4j: Generating real time recommendations with Cypheroriginal ↗
27 Mar 2015
Python: matplotlib hangs and shows nothing (Mac OS X)original ↗
26 Mar 2015
Topic Modelling: Working out the optimal number of topicsoriginal ↗
24 Mar 2015
Python: Equivalent to flatMap for flattening an array of arraysoriginal ↗
23 Mar 2015
Python: Simplifying the creation of a stop word list with defaultdictoriginal ↗
22 Mar 2015
Python: Forgetting to use enumerateoriginal ↗
22 Mar 2015
Badass: Making users awesome - Kathy Sierra: Book Revieworiginal ↗
20 Mar 2015
Neo4j: Detecting potential typos using EXPLAINoriginal ↗
17 Mar 2015
One month of mini habitsoriginal ↗
17 Mar 2015
Python: Transforming Twitter datetime string to timestamp (z' is a bad directive in format)original ↗
15 Mar 2015
Python: Checking any value in a list exists in a line of textoriginal ↗
14 Mar 2015
Python/Neo4j: Finding interesting computer sciency people to follow on Twitteroriginal ↗
11 Mar 2015
Python: Streaming/Appending to a fileoriginal ↗
9 Mar 2015
Neo4j: TF/IDF (and variants) with cypheroriginal ↗
8 Mar 2015
Python: scikit-learn/lda: Extracting topics from QCon talk abstractsoriginal ↗
5 Mar 2015
Python: scikit-learn - Training a classifier with non numeric featuresoriginal ↗
2 Mar 2015
Python: Detecting the speaker in HIMYM using Parts of Speech (POS) taggingoriginal ↗
1 Mar 2015
R/ggplot: Controlling X axis orderoriginal ↗
27 Feb 2015
R: Conditionally updating rows of a data frameoriginal ↗
26 Feb 2015
Python/nltk: Naive vs Naive Bayes vs Decision Treeoriginal ↗
24 Feb 2015
R: Cohort analysis of Neo4j meetup membersoriginal ↗
24 Feb 2015
R/dplyr: Extracting data frame column value for filtering with %in%original ↗
22 Feb 2015
Python/scikit-learn: Detecting which sentences in a transcript contain a speakeroriginal ↗
20 Feb 2015
Python's pandas vs Neo4j's cypher: Exploring popular phrases in How I met your mother transcriptsoriginal ↗
19 Feb 2015
Python/pandas: Column value in list (ValueError: The truth value of a Series is ambiguous.)original ↗
16 Feb 2015
Python/scikit-learn: Calculating TF/IDF on How I met your mother transcriptsoriginal ↗
15 Feb 2015
Neo4j: Building a topic graph with Prismatic Interest Graph APIoriginal ↗
13 Feb 2015
Python/gensim: Creating bigrams over How I met your mother transcriptsoriginal ↗
12 Feb 2015
R: Weather vs attendance at NoSQL meetupsoriginal ↗
11 Feb 2015
Python/matpotlib: Plotting occurrences of the main characters in How I Met Your Motheroriginal ↗
30 Jan 2015
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