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How to instantiate a File object in JavaScript?
.../developer.mozilla.org/en-US/docs/Web/API/File/File
var file = new File(["foo"], "foo.txt", {
type: "text/plain",
});
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Sort JavaScript object by key
... by its keys/properties, alphabetically:
const unordered = {
'b': 'foo',
'c': 'bar',
'a': 'baz'
};
console.log(JSON.stringify(unordered));
// → '{"b":"foo","c":"bar","a":"baz"}'
const ordered = {};
Object.keys(unordered).sort().forEach(function(key) {
ordered[key] = unord...
How to check a not-defined variable in JavaScript
... referring to a variable declared that has not been assigned to. eg: var foo; // foo exists but does not have a value
– Wally Lawless
May 13 '09 at 14:29
3
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How to spyOn a value property (rather than a method) with Jasmine
... in your test you can check that the property is set with:
stub.valueA = 'foo';
expect(stub.setValueA).toHaveBeenCalledWith('foo');
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Number of elements in a javascript object
...ction()
{
var i = 0;
for ( var p in this ) i++;
return i;
}
alert( {foo:"bar", bar: "baz"}.length() ); // alerts 3
But this creates problems, or at least questions. All user-created properties are counted, including the _length function itself! And while in this simple example you could a...
Git is ignoring files that aren't in gitignore
...ore only newly-added files, not ones already in the repo. So when I added "foo/" to my .gitignore, it ignored only recently added files in foo subdirectories and not all files. Took me an hour to figure out why some files were being ignored and others weren't.
– ccleve
...
ImportError: Cannot import name X
...r others. Note that if you're importing a local submodule (i.e. import app.foo.bar) you need to give it a name (i.e. import app.foo.bar as bar)
– data princess
Jul 28 at 21:48
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Is there a standard way to list names of Python modules in a package?
... As a matter of fact, this only seems to work if I import my_package.foo and not just import mypackage, in which case it then returns foo. But this defeats the purpose
– Amelio Vazquez-Reina
Jun 26 '13 at 16:52
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How to output MySQL query results in CSV format?
...to-a-text-or-csv-file/
SELECT order_id,product_name,qty
FROM orders
WHERE foo = 'bar'
INTO OUTFILE '/var/lib/mysql-files/orders.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n';
Using this command columns names will not be exported.
Also note that /var/lib/mysql-files/order...
How to get UTF-8 working in Java webapps?
...ires that we define a character set filter like the following:
package fi.foo.filters;
import javax.servlet.*;
import java.io.IOException;
public class CharsetFilter implements Filter {
private String encoding;
public void init(FilterConfig config) throws ServletException {
enco...