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How to capture no file for fs.readFileSync()?
...y, fs.readFileSync throws an error when a file is not found. This error is from the Error prototype and thrown using throw, hence the only way to catch is with a try / catch block:
var fileContents;
try {
fileContents = fs.readFileSync('foo.bar');
} catch (err) {
// Here you get the error when ...
How to redirect output of an entire shell script within the script itself?
...utput everything in the code block can then be redirected (See Example 3-2 from that link). Also note that curly braces do not launch a subshell, but similar I/O redirects can be done with subshells using parentheses.
– chris
May 16 '16 at 21:54
...
Most efficient way to increment a Map value in Java
...n't profiled memory usage in the different scenarios. I'd be happy to hear from anybody who has good insights into how the MutableInt and Trove methods would be likely to affect memory usage.
Personally, I find the MutableInt method the most attractive, since it doesn't require loading any third-pa...
How to set a default value for a datetime column to record creation time in a migration?
...ne who downvoted, but I'm having difficulty seeing how this answer differs from will's answer that precedes yours by one year. The question is about setting a default, and your answer has the same lambda clause.
– nurettin
Mar 2 '18 at 16:45
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Calling JavaScript Function From CodeBehind
Can someone provide good examples of calling a JavaScript function From CodeBehind and Vice-versa?
21 Answers
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EntityType has no key defined error
..., I mistakenly marked my "Id" field "private" instead of "public" (a habit from Java/JPA). Larry Raymond's response below is arguably the "best" reply to this question. It lists most of the common scenarios behind "EntityType has no key defined error".
– paulsm4
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How to remove a directory from git repository?
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Remove directory from git and local
You could checkout 'master' with both directories;
git rm -r one-of-the-directories // This deletes from filesystem
git commit . -m "Remove duplicated directory"
git push origin <your-git-branch> (...
How can I read numeric strings in Excel cells as string (not numbers)?
...
Gagravarr's warning against doing this is right! From the docs: "If what you want to do is get a String value for your numeric cell, stop!. This is not the way to do it. Instead, for fetching the string value of a numeric or boolean or date cell, use DataFormatter instead....
Should I instantiate instance variables on declaration or in the constructor?
...the compiler:
{
a = new A();
}
Check Sun's explanation and advice
From this tutorial:
Field declarations, however, are not part of any method, so they cannot be executed as statements are. Instead, the Java compiler generates instance-field initialization code automatically and puts it...
Displaying better error message than “No JSON object could be decoded”
Python code to load data from some long complicated JSON file:
11 Answers
11
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