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How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
10 Answe...
Good examples of MVVM Template
...doing things. First, you might want to get familiar with one of the app frameworks out there (Prism is a decent choice), because they provide you with convenient tools like dependency injection, commanding, event aggregation, etc to easily try out different patterns that suit you.
The prism releas...
How do I create a folder in a GitHub repository?
...o create another folder
Click on New file
On the text field for the file name, first write the folder name you want to create
Then type /. This creates a folder
You can add more folders similarly
Finally, give the new file a name (for example, .gitkeep which is conventionally used to make Git track ...
How to detect the screen resolution with JavaScript?
...Height
window.screen.availWidth
update 2017-11-10
From Tsunamis in the comments:
To get the native resolution of i.e. a mobile device you have to multiply with the device pixel ratio: window.screen.width * window.devicePixelRatio and window.screen.height * window.devicePixelRatio. This will also w...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
I'm developing a part of an application that's responsible for exporting some data into CSV files. The application always uses UTF-8 because of its multilingual nature at all levels. But opening such CSV files (containing e.g. diacritics, cyrillic letters, Greek letters) in Excel does not achieve th...
javac : command not found
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You installed the Java Runtime Environment (JRE) only, which does not contain javac. For javac, you have to install the OpenJDK Development Environment. You can install java-devel or java-1.6.0-openjdk-devel, which both include javac.
By the way: you c...
In-App Billing test: android.test.purchased already owned
...I successfully "bought" the test item "android.test.purchased" the first time, I now receive the response code 7 every time I try to buy it again, which means that I already own this item.
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Remove DEFINER clause from MySQL Dumps
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I suggest to mention that instead of removing the DEFINER it can be set to CURRENT_USER like that: sed -E 's/DEFINER=[^]+@[^]+/DEFINER=CURRENT_USER/g' dump.sql > new_dump.sql It has the advantage of keeping restrictions / access contro...
mysqldump - Export structure only without autoincrement
...m trying to find a way to export its structure only, without the auto increment values. mysqldump --no-data would almost do the job, but it keeps the auto_increment values. Is there any way to do it without using PHPMyAdmin (that I know it can do it)?
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What is Node.js' Connect, Express and “middleware”?
...fused what exactly these three projects in Node.js ecosystem do. Is it something like Rails' Rack? Can someone please explain?
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