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What does %s mean in a python format string?
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It is a string formatting syntax (which it borrows from C).
Please see "PyFormat":
Python...
How to get the first item from an associative PHP array?
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293
reset() gives you the first value of the array if you have an element inside the array:
$valu...
How often does python flush to a file?
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edited Sep 6 '18 at 22:12
zyxue
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answered J...
React.js: onChange event for contentEditable
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edited May 23 '17 at 11:54
Community♦
111 silver badge
answered Mar 27 '14 at 4:46
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What is the right way to override a setter method in Ruby on Rails?
I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
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The simplest way to comma-delimit a list?
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227
Java 8 and later
Using StringJoiner class :
StringJoiner joiner = new StringJoiner(",");
for...
IE7 Z-Index Layering Issues
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269
Z-index is not an absolute measurement. It is possible for an element with z-index: 1000 to be...
When and why JPA entities should implement Serializable interface?
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Aaron DigullaAaron Digulla
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Change name of iPhone app in Xcode 4
... everyone:
1.In the project contents pane at left, click the Folder icon.
2.Select the top-level blue line representing the project.
3.If you don't have the Inspector pane (right pane) open, click the button to enable it. This is the third button in the "View" toolbar towards the upper right corn...
What size should TabBar images be?
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30x30 is points, which means 30px @1x, 60px @2x, not somewhere in-between. Also, it's not a great idea to embed the title of the tab into the image—you're going to have pretty poor accessibility and localization results like that.
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