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How to delete or add column in SQLITE?
I want to delete or add column in sqlite database
19 Answers
19
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Bypass popup blocker on window.open when JQuery event.preventDefault() is set
I want to show a JQuery dialog conditionally on click event of an hyperlink .
10 Answers
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What are the best practices for JavaScript error handling?
...is:
function log(sev,msg) {
var img = new Image();
img.src = "log.php?sev=" +
encodeURIComponent(sev) +
"&msg=" + encodeURIComponent(msg);
}
// usage
log(1, "Something bad happened.")
// Auto-log uncaught JS errors
window.onerror = function(msg, url, line) {
log(1,...
Injecting Mockito mocks into a Spring bean
...'t infer the type of the object returned in this case... stackoverflow.com/q/6976421/306488
– lisak
Aug 8 '11 at 7:35
7
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How to access the ith column of a NumPy multidimensional array?
...,:]
array([3, 4])
lets you access rows. This is covered in Section 1.4 (Indexing) of the NumPy reference. This is quick, at least in my experience. It's certainly much quicker than accessing each element in a loop.
shar...
How to use a variable for a key in a JavaScript object literal?
...
ES5 quote that says it should not work
Note: rules have changed for ES6: https://stackoverflow.com/a/2274327/895245
Spec: http://www.ecma-international.org/ecma-262/5.1/#sec-11.1.5
PropertyName :
IdentifierName
S...
How can I force WebKit to redraw/repaint to propagate style changes?
...within an absolutely position element which did not, at the time, have a z-index. Adding a z-index to this element changed the behaviour of Chrome and repaints happened as expected -> animations became smooth.
I doubt that this is a panacea, I imagine it depends why Chrome has chosen not to red...
Bootstrap modal appearing under background
...above but didn't get it to work using those.
What did work: setting the z-index of the .modal-backdrop to -1.
.modal-backdrop {
z-index: -1;
}
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Creating a dictionary from a csv file?
...n using pandas.
import pandas as pd
pd.read_csv('coors.csv', header=None, index_col=0, squeeze=True).to_dict()
If you want to specify dtype for your index (it can't be specified in read_csv if you use the index_col argument because of a bug):
import pandas as pd
pd.read_csv('coors.csv', header=N...
Better way to shuffle two numpy arrays in unison
...
Your can use NumPy's array indexing:
def unison_shuffled_copies(a, b):
assert len(a) == len(b)
p = numpy.random.permutation(len(a))
return a[p], b[p]
This will result in creation of separate unison-shuffled arrays.
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