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RuntimeException: Unable to instantiate application
...lopment, it's due to the previously running instance of my app not closing down neatly, for example by shutting down background threads prior to exit.
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How to hide columns in HTML table?
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You can also hide a column using the col element https://developer.mozilla.org/en/docs/Web/HTML/Element/col
To hide the second column in a table:
<table>
<col />
<col style="visibility:collapse"/>
<tr><td>visible</td><td>hid...
JetBrains / IntelliJ keyboard shortcut to collapse all methods
...eUploader: {
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In HTML5, should the main navigation be inside or outside the element?
...eUploader: {
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Hex transparency in colors [duplicate]
... table of percentages to hex values and run the code in this playground in https://play.golang.org/p/l1JaPYFzDkI .
Short explanation in pseudocode
Percentage to hex values
decimal = percentage * 255 / 100 . ex : decimal = 50*255/100 = 127.5
convert decimal to hexadecimal value . ex: 127.5 in d...
Floating point vs integer calculations on modern hardware
...e, lower is faster and preferable):
Update to accomodate @Peter Cordes
https://gist.github.com/Lewiscowles1986/90191c59c9aedf3d08bf0b129065cccc
i7 4700MQ Linux Ubuntu Xenial 64-bit (all patches to 2018-03-13 applied)
short add: 0.773049
short sub: 0.789793
short mul: 0.960152
s...
Android Spinner : Avoid onItemSelected calls during initialization
... a TextView . I want to display the selected item from the Spinner's drop down list in the TextView. I implemented the Spinner in the onCreate method so when I'm running the program, it shows a value in the TextView (before selecting an item from the drop down list).
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In Python, how do I indicate I'm overriding a method?
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Based on this and fwc:s answer I created a pip installable package https://github.com/mkorpela/overrides
From time to time I end up here looking at this question.
Mainly this happens after (again) seeing the same bug in our code base: Someone has forgotten some "interface" implementing clas...
Anatomy of a “Memory Leak”
...sides effects, depending on the ammount leaked, could go from none, to slowdown caused by excessive collection, to a series of memory exceptions and finally a fatal error followed by forced process termination.
You know an application has a memory problem when monitoring shows that more and more me...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
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