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How do I grep for all non-ASCII characters?
...an use the command:
grep --color='auto' -P -n "[\x80-\xFF]" file.xml
This will give you the line number, and will highlight non-ascii chars in red.
In some systems, depending on your settings, the above will not work, so you can grep by the inverse
grep --color='auto' -P -n "[^\x00-\x7F]" fil...
What's the best way to iterate an Android Cursor?
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The simplest way is this:
while (cursor.moveToNext()) {
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}
The cursor starts before the first result row, so on the first iteration this moves to the first result if it exists. If the cursor is empty, or the last row has already bee...
Capture characters from standard input without waiting for enter to be pressed
I can never remember how I do this because it comes up so infrequently for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
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How do I maintain the Immersive Mode in Dialogs?
How do I maintain the new Immersive Mode when my activities display a custom Dialog?
7 Answers
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How to switch between hide and view password
Is there a clever way to let the user switch between hide and view password in an android EditText?
A number of PC based apps let the user do this.
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Merge 2 arrays of objects
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If you want to merge 2 arrays of objects in JavaScript. You can use this one line trick
Array.prototype.push.apply(arr1,arr2);
For Example
var arr1 = [{name: "lang", value: "English"},{name: "age", value: "18"}];
var arr2 = [{name : "childs", value: '5'}, {name: "lang", value: "German"}];
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Is there a way to view past mysql queries with phpmyadmin?
..., so I actually stumbled across the answer.
phpMyAdmin does offer a brief history. If you click on the 'sql' icon just underneath the 'phpMyAdmin' logo, it'll open a new window. In the new window, just click on the 'history' tab.
That will give you the last twenty or so SQL operations.
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Calculating moving average
... moving average over a series of values in a matrix. The normal R mailing list search hasn't been very helpful though. There doesn't seem to be a built-in function in R will allow me to calculate moving averages. Do any packages provide one? Or do I need to write my own?
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Linq code to select one item
I find myself writing a lot of code like this to select one item that matches
7 Answers
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Clear the entire history stack and start a new activity on Android
Is it possible to start an activity on the stack, clearing the entire history before it?
13 Answers
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