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Import multiple csv files into pandas and concatenate into one DataFrame
... as the column names.
import pandas as pd
import glob
path = r'C:\DRO\DCL_rawdata_files' # use your path
all_files = glob.glob(path + "/*.csv")
li = []
for filename in all_files:
df = pd.read_csv(filename, index_col=None, header=0)
li.append(df)
frame = pd.concat(li, axis=0, ignore_inde...
How to run only one local test class on Gradle
...ass
Below example to run class com.example.TestClass with variant Variant_1:
gradlew.bat ConnectedVariant_1AndroidTest -Pandroid.testInstrumentationRunnerArguments.class=com.example.TestClass
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MYSQL import data from csv using LOAD DATA INFILE
...tatement should look like this:
LOAD DATA INFILE 'data.csv' INTO TABLE tbl_name
FIELDS TERMINATED BY ',' ENCLOSED BY '"'
LINES TERMINATED BY '\r\n'
IGNORE 1 LINES;
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What underlies this JavaScript idiom: var self = this?
...
I usually use _this
– djheru
Mar 20 '14 at 19:48
6
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Validate that end date is greater than start date with jQuery
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@Cros jQuery.validator.addMethod("zip_code_checking", function(value, element) { return jQuery('#zip_endvalue').val() > jQuery('#zip_startvalue').val() }, "* Zip code end value should be greater than Zip code start value");
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PHP Fatal error: Using $this when not in object context
...it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a class constant. Both, self::foo and self::$foo woul...
Java Serializable Object to Byte Array
... answered May 15 '18 at 7:06
gzg_55gzg_55
4122 bronze badges
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How can I check if a var is a string in JavaScript?
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You were close:
if (typeof a_string === 'string') {
// this is a string
}
On a related note: the above check won't work if a string is created with new String('hello') as the type will be Object instead. There are complicated solutions to work a...
Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
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@Brian: not with that magic + sign! ¯\_(ツ)_/¯
– jAndy
Aug 2 '11 at 11:33
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Making 'git log' ignore changes for certain paths
...ated pathspecs
Reported-by: John Millikin
Signed-off-by: Elijah Newren
do_match_pathspec() started life as match_pathspec_depth_1() and for correctness was only supposed to be called from match_pathspec_depth(). match_pathspec_depth() was later renamed to match_pathspec(), so the invariant we ex...