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How can I reset a react component including all transitively reachable state?
...oth deprecated in the new ES6 class-style reactjs. Use this.setState(this._getInitialState()) instead. Also you can't name your own state initializer function getInitialState() - react throws a warning - call it anything else and explicitly do state = this._getInitialState() in the top level of th...
“Debug certificate expired” error in Eclipse Android plugins
...exe can be found in the JDK bin folder (e.g. C:\Program Files\Java\jdk1.6.0_31\bin\ on Windows).
ADT sets the first and last name on the certificate as "Android Debug", the organizational unit as "Android" and the two-letter country code as "US". You can leave the organization, city, and state valu...
Why does JQuery have dollar signs everywhere?
...mented lots of options. You can use $ or you can use jQuery or you can use _
(function (_) {
_("#wow").click()
})(jQuery);
Or maybe you can do fancy changes, javascript identifiers are unicode so you can use Ω
(function (Ω) {
Ω("#wow").click()
})(jQuery);
But the main idea behind it, pr...
Create timestamp variable in bash script
...cial documentation here: https://www.gnu.org/software/coreutils/manual/html_node/Time-conversion-specifiers.html#Time-conversion-specifiers
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Why does `a == b or c or d` always evaluate to True?
...gt; import ast
>>> ast.parse("if a == b or c or d or e: ...")
<_ast.Module object at 0x1031ae6a0>
>>> ast.dump(_)
"Module(body=[If(test=BoolOp(op=Or(), values=[Compare(left=Name(id='a', ctx=Load()), ops=[Eq()], comparators=[Name(id='b', ctx=Load())]), Name(id='c', ctx=Load())...
Get Base64 encode file-data from Input Form
...toolkit.info/javascript-base64.html#], and then comment-out input = Base64._utf8_encode(input); and output = Base64._utf8_decode(output);? Any problem other than utf-8 conversion error?
– shr
Aug 23 '11 at 17:16
...
Getting individual colors from a color map in matplotlib
...call the cmap object you have.
import matplotlib
cmap = matplotlib.cm.get_cmap('Spectral')
rgba = cmap(0.5)
print(rgba) # (0.99807766255210428, 0.99923106502084169, 0.74602077638401709, 1.0)
For values outside of the range [0.0, 1.0] it will return the under and over colour (respectively). This...
Using R to download zipped data file, extract, and import data
...on. This example reads a .xls file.
url <-"https://www1.toronto.ca/City_Of_Toronto/Information_Technology/Open_Data/Data_Sets/Assets/Files/fire_stns.zip"
temp <- tempfile()
temp2 <- tempfile()
download.file(url, temp)
unzip(zipfile = temp, exdir = temp2)
data <- read_xls(file.path(tem...
How do you crash a JVM?
...he GC so you will get no StackOverflowError but a real crash including a hs_err* file.
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How to write logs in text file when using java.util.logging.Logger
...g file nicer :)
SimpleDateFormat format = new SimpleDateFormat("M-d_HHmmss");
try {
fh = new FileHandler("C:/temp/test/MyLogFile_"
+ format.format(Calendar.getInstance().getTime()) + ".log");
} catch (Exception e) {
e.printStackTrace();...