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How to define a preprocessor symbol in Xcode
...s like "kVarOne=5 myVar=3.0" (without the quotes), I found it by trial and error. Ben could you edit your answer to specify that? Thanks again.
– Steph Thirion
Dec 20 '08 at 2:56
1...
How do I launch the Android emulator from the command line?
...t I'm looking for. When I run adb install <path-to-your-APK>, I get error: device not found. If I run the emulator in one shell and the adb install command in another, I get error: device offline. How do I set an emulated virtual device?
– Thierry Lam
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AngularJS passing data to $http.get request
... called asynchronously // when the response is available }). error(function(data, status, headers, config) { // called asynchronously if an error occurs // or server returns response with an error status. });
– Ehud Grand
Sep 1 '14...
How do you rename a MongoDB database?
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405
You could do this:
db.copyDatabase("db_to_rename","db_renamed","localhost")
use db_to_rename
d...
Integrating the ZXing library directly into my Android application
...ry and select core.jar ... hit enter!
Now you just have to correct a few errors in the translations and the AndroidManifest.xml file :) Now you can happily compile, and you will now have a working standalone barcode scanner app, based on the ZXing source ;)
Happy coding guys - I hope it can help ...
Finding local maxima/minima with Numpy in a 1D numpy array
...numpy as np
#generate junk data (numpy 1D arr)
xs = np.arange(0, np.pi, 0.05)
data = np.sin(xs)
# maxima : use builtin function to find (max) peaks
max_peakind = signal.find_peaks_cwt(data, np.arange(1,10))
# inverse (in order to find minima)
inv_data = 1/data
# minima : use builtin function fo ...
What is the difference between re.search and re.match?
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answered Dec 31 '11 at 12:05
Dhanasekaran AnbalaganDhanasekaran Anbalagan
1,83611 gold badge1313 silver badges1212 bronze badges
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Why does Date.parse give incorrect results?
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@Daniel—fortunately the ECMAScript authors fixed their error with respect to missing time zone for date and time representations. Now date and time strings without a timezone use the host timezone offset (i.e. "local"). Confusingly, ISO 8601 date only forms are treated as UTC (ev...
What should I name a table that maps two tables together? [closed]
...ngs in Computer Science: cache invalidation, naming things, and off-by-one errors"
– Neil McGuigan
Aug 9 '13 at 1:25
1
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How do I check in JavaScript if a value exists at a certain array index?
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Using only .length is not safe and will cause an error in some browsers. Here is a better solution:
if(array && array.length){
// not empty
} else {
// empty
}
or, we can use:
Object.keys(__array__).length
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