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Twitter Bootstrap Form File Element Upload Button
... Browse <input type="file" hidden>
</label>
This works in all modern browsers, including IE9+. If you need support for old IE as well, please use the legacy approach shown below.
This techniques relies on the HTML5 hidden attribute. Bootstrap 4 uses the following CSS to shim this f...
Sync data between Android App and webserver [closed]
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I'll try to answer all your questions by addressing the larger question: How can I sync data between a webserver and an android app?
Syncing data between your webserver and an android app requires a couple of different components on your and...
Why are `private val` and `private final val` different?
... it's a completely different val that just happens to have the same name. (All references to the old one would still refer to the old one.)
– aij
Jan 21 '14 at 2:46
1
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Convert pandas dataframe to NumPy array
...p.nan)
# array([ 1., 2., nan])
This is called out in the docs.
If you need the dtypes...
As shown in another answer, DataFrame.to_records is a good way to do this.
df.to_records()
# rec.array([('a', -1, 4), ('b', 2, 5), ('c', 3, 6)],
# dtype=[('index',...
Why would I prefer using vector to deque
...tances of vector may lead to unnecessary heap fragmentation (slowing down calls to new).
Also, as pointed out elsewhere on StackOverflow, there is more good discussion here: http://www.gotw.ca/gotw/054.htm .
share
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Clicking the back button twice to exit an activity
...ode uses System.currentTimeMillis(); to store the time onBackPressed() is called;
private static final int TIME_INTERVAL = 2000; // # milliseconds, desired time passed between two back presses.
private long mBackPressed;
@Override
public void onBackPressed()
{
if (mBackPressed + TIME_INTERVAL ...
How to convert int to NSString?
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@DielsonSales some objects don't have stringValue, but all have description - so as a good practice it's better to get used to using description (NSNumber does, no need to worry here). Try this (description will print the date, but stringValue will crash): NSNumber *test = (id)[N...
GIT merge error “commit is not possible because you have unmerged files”
...rrent branch. Git flagged it as a conflict, so I had to delete the file locally then git add the_file in order to commit the merge.
– Brendon Muir
Sep 15 '16 at 23:14
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Change size of axes title and labels in ggplot2
I have a really simple question, which I am struggling to find the answer to. I hoped someone here might be able to help me.
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What is string_view?
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The purpose of any and all kinds of "string reference" and "array reference" proposals is to avoid copying data which is already owned somewhere else and of which only a non-mutating view is required. The string_view in question is one such proposa...