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How do I rename all files to lowercase?
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If you're comfortable with the terminal:
Open Terminal.app, type cd and then drag and drop the Folder containing the files to be renamed into the window.
To confirm you're in the correct directory, type ls and hit enter.
Pa...
What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...means the image is made (even) smaller, but at a detriment to the quality. If you saved an image in a Lossy format over and over, the image quality would get progressively worse and worse.
There are also different colour depths (palettes): Indexed color and Direct color.
Indexed means that the ...
How do I make an HTML button not reload the page
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there is no need to js or jquery.
to stop page reloading just specify the button type as 'button'.
if you dont specify the button type, browser will set it to 'reset' or 'submit' witch cause to page reload.
<button type='button'>submit</button>
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How to add jQuery in JS file
I have some code specific to sorting tables. Since the code is common in most pages I want to make a JS file which will have the code and all the pages using it can reference it from there.
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Get last dirname/filename in a file path argument in Bash
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unfortunately, if you wrap commands, basename is not a good idea. just something to keep in mind
– dtc
Jul 20 '16 at 20:36
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Why is this program valid? I was trying to create a syntax error
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@Hassan, The language has types. Specifically, values have types. Operators and subs are simply not confined to returning specific types of values. This turns out to be very useful at little cost (thanks to warnings).
– ikegami
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Regex empty string or email
...can't handle it anyway. Try to find a library routine for matching them. If you only want to solve the practical problem of matching an email address (that is, if you want wrong code that happens to (usually) work), use the regular-expressions.info link someone else submitted.
As for the empty st...
How to clear a notification in Android
Is it possible to clear a notification programatically?
14 Answers
14
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{" was not expected.} Deserializing Twitter XML
...ementName = "MyGroupName", DataType = "string", IsNullable=true)]
Or specify the root attribute when de serializing at runtime.
XmlRootAttribute xRoot = new XmlRootAttribute();
xRoot.ElementName = "user";
// xRoot.Namespace = "http://www.cpandl.com";
xRoot.IsNullable = true;
XmlSerializer xs = n...
PostgreSQL query to list all table names?
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If you want list of database
SELECT datname FROM pg_database WHERE datistemplate = false;
If you want list of tables from current pg installation of all databases
SELECT table_schema,table_name FROM information_schema.tab...