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How to change a command line argument in Bash?
Is there a way to change the command line arguments in a Bash script. Say for example, a Bash script is invoked the following way:
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Ruby Metaprogramming: dynamic instance variable names
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Select last N rows from MySQL
...rticle is about MySQL, but wanted to advise that in response to @DiegoDD's comment above, omitting the external select and alias does not seem to work in Postgres (9.3.5). I get an 'Error: multiple ORDER BY clauses not allowed'. The accepted answer, however, does work as expected in Postgres
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How to disable google translate from html in chrome
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Updated URL for documentation: support.google.com/webmasters/answer/79812
– Ahi Tuna
Jun 5 '18 at 15:10
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What is the difference between svg's x and dx attribute?
...rdinates (relative to the specified x and y).
In my experience, it is not common to use dx and dy on <text> elements (although it might be useful for coding convenience if you, for example, have some code for positioning text and then separate code for adjusting it).
dx and dy are mostly use...
How to create query parameters in Javascript?
...a(data) {
const ret = [];
for (let d in data)
ret.push(encodeURIComponent(d) + '=' + encodeURIComponent(data[d]));
return ret.join('&');
}
Usage:
const data = { 'first name': 'George', 'last name': 'Jetson', 'age': 110 };
const querystring = encodeQueryData(data);
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Running Command Line in Java [duplicate]
Is there a way to run this command line within a Java application?
8 Answers
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How to make an Android Spinner with initial text “Select One”?
...yout file. Copy the source from above into your project, e.g. into package com.example.customviews. Now in your layout xml, instead of <Spinner ...> use <com.example.customviews.NoDefaultSpinner ...> The rest of the code can stay the same. Don't forget to add the android:prompt attribute...
Create a menu Bar in WPF?
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I have prepared a comprehensive tutorial on WPF Menus, Command Binding adding Shortcut keys etc at youtu.be/bdmVWGjpA_8
– Zaheer
Apr 26 at 1:18
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Rails 4: before_filter vs. before_action
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