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Difference between String replace() and replaceAll()
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Even replace also do the same, From java String docs :: public String replace(CharSequence target, CharSequence replacement) { return Pattern.compile(target.toString(), Pattern.LITERAL).matcher( this).replaceAll(Matcher.quoteReplacemen...
How to load images dynamically (or lazily) when users scrolls them into view
...urce, the page shows X number of <img> tags but they are not fetched from the server straight away ). What is this technique called, how does it work and in how many browsers does it work. And is there a jQuery plugin that can achieve this behavior with minimum coding.
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Android View shadow
... can't change background color nor border style, so it's better to benefit from the shadow of it, while still be able to put a background via layer-list
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!--the shadow c...
Add x and y labels to a pandas plot
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currently, that 'automatic supply from DataFrame' doesn't work. I just tried it (pandas version 0.16.0, matplotlib 1.4.3) and the plot generates correctly, but with no labels on the axes.
– szeitlin
Apr 29 '15 at 18:22
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Determine whether JSON is a JSONObject or JSONArray
I am going to receive either a JSON Object or Array from server, but I have no idea which it will be. I need to work with the JSON, but to do so, I need to know if it is an Object or an Array.
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How to style icon color, size, and shadow of Font Awesome Icons
How could I style the color, size and shadow of icons from Font Awesome's Icons ?
23 Answers
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Creating anonymous objects in php
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How's that different from going $someObj = new \stdClass()?
– JamesNZ
Mar 5 '18 at 23:15
add a comment
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What to do with “Unexpected indent” in python?
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I encountered this error when copy/pasting code from a website. The positioning appeared ok but i needed to remove the white-space and re-apply using spaces before QGIS(3.10) would run the code.
– benj
Nov 28 '19 at 16:41
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@Autowired and static method
I have @Autowired service which has to be used from within a static method. I know this is wrong but I cannot change the current design as it would require a lot of work, so I need some simple hack for that. I can't change randomMethod() to be non-static and I need to use this autowired bean. An...
Adding a new SQL column with a default value
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Try this:
ALTER TABLE table1 ADD COLUMN foo INT DEFAULT 0;
From the documentation that you linked to:
ALTER [ONLINE | OFFLINE] [IGNORE] TABLE tbl_name
alter_specification [, alter_specification] ...
alter_specification:
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ADD [COLUMN] (col_name column_definition,...)
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