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How do I fix “Failed to sync vcpu reg” error?
...to use the Intel HAX x86 emulator for Windows (8, if that matters). I installed everything and created an AVD for the android version, and everything appears correct, but when I run it, I get this output:
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How to search contents of multiple pdf files?
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Your distribution should provide a utility called pdftotext:
find /path -name '*.pdf' -exec sh -c 'pdftotext "{}" - | grep --with-filename --label="{}" --color "your pattern"' \;
The "-" is necessary to have pdftotext output to stdout, not to files.
The --with-filen...
How do I use the CONCAT function in SQL Server 2008 R2?
...he + operator, as @lynn-langit mentions in her answer, which I at first totally missed because I only read the accepted answer...
– Svish
May 19 '15 at 13:11
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MySQL Conditional Insert
... AND item = 456)
In this, dual is a table with one row only (found originally in Oracle, now in mysql too). The logic is that the SELECT statement generates a single row of data with the required values, but only when the values are not already found.
Alternatively, look at the MERGE statement.
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How do I convert a numpy array to (and display) an image?
...good to know: If you want to display grayscale images, it is advisable to call plt.gray() once in your code to switch all following graphs to grayscale. Not what the OP wants but good to know nevertheless.
– Cerno
Feb 28 '17 at 12:21
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Cast to int vs floor
...dited Dec 30 '14 at 21:44
Matt Ball
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answered Jul 21 '10 at 14:39
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Vertex shader vs Fragment Shader [duplicate]
...r example: if you want your polygon to be completely red, you would define all vertices red. If you want for specific effects like a gradient between the vertices, you have to do that in the fragment shader.
Put another way:
The vertex shader is part of the early steps in the graphic pipeline, som...
possibly undefined macro: AC_MSG_ERROR
... this same issue and found that pkg-config package was missing.
After installing the package, everything generated correctly.
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Devise Secret Key was not set
...ting somewhere in plain text in the source, correct? At least this default allows us to set up dynamic secret keys in fewer places.
– Topher Hunt
Jun 1 '14 at 16:19
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How to simulate a click with JavaScript?
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Have you considered using jQuery to avoid all the browser detection? With jQuery, it would be as simple as:
$("#mytest1").click();
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