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How to stop EditText from gaining focus at Activity startup in Android
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Excellent answers from Luc and Mark however a good code sample is missing. Adding the tag android:focusableInTouchMode="true" and android:focusable="true" to parent layout (e.g. LinearLayout or ConstraintLayout) like the following example will...
Date ticks and rotation in matplotlib
...ct oriented. If you don't like the fact that there is some plt in it, use from matplotlib.artist import setp; setp(ax.get_xticklabels(), rotation=90) instead.
– ImportanceOfBeingErnest
Oct 9 '17 at 19:29
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What is a good Java library to zip/unzip files? [closed]
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Zip4J doesn't supports reading a zip from an inputstream, only from disk.
– Renaud Cerrato
Feb 24 '16 at 14:42
2
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How exactly does __attribute__((constructor)) work?
...startup.
That's how all GCC attributes are; presumably to distinguish them from function calls.
GCC-specific syntax.
Yes, this works in C and C++.
No, the function does not need to be static.
The destructor runs when the shared library is unloaded, typically at program exit.
So, the way the constr...
Significance of a .inl file in C++
...e bottom of the header file.
I like it because it separates the interface from the implementation and makes the header file a little easier to read. If you care about the implementation details, you can open the .inl file and read it. If you don't, you don't have to.
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Convert NSURL to local file path
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Use the -[NSURL path] method:
NSLog(@"%@", myUrl.path);
From the documentation:
The path of the URL, unescaped with the stringByReplacingPercentEscapesUsingEncoding: method. If the receiver does not conform to RFC 1808, returns nil.
If this URL object contains a file URL ...
Avoiding if statement inside a for loop?
... writeVector(v, without_index());
return 0;
}
Again, the code is far from perfect but it gives you the idea.
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How to add pandas data to an existing csv file?
...g and closing your file multiple times, or logging data, statistics, etc.
from contextlib import contextmanager
import pandas as pd
@contextmanager
def open_file(path, mode):
file_to=open(path,mode)
yield file_to
file_to.close()
##later
saved_df=pd.DataFrame(data)
with open_file('y...
HtmlString vs. MvcHtmlString
...to MVC 2 it might make sense to use IHtmlString or var for values returned from MVC functions. Alternatively I think you can now just switch to HtmlString throughout.
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UIGestureRecognizer on UIImageView
...y setting its userInteractionEnabled property to YES. UIImageView inherits from UIView, whose user interaction property is set to YES by default, however, UIImageView's user interaction property is set to NO by default.
From the UIImageView docs:
New image view objects are configured to disrega...