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What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
...ding test dependencies as regular dependencies introduces a whole bunch of extra libraries, each of which may fail in some way. I would lean (pun!) towards light-weight production servers with as little code on them as possible. Remember, the best code is no code!
– Stijn de Wi...
Using an integer as a key in an associative array in JavaScript
...at you can not have integer keys. JavaScript will convert the integer to a string. The following outputs 20, not undefined:
var test = {}
test[2300] = 20;
console.log(test["2300"]);
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Is there a difference between “==” and “is”?
...0 is 10**3
False
>>> 1000 == 10**3
True
The same holds true for string literals:
>>> "a" is "a"
True
>>> "aa" is "a" * 2
True
>>> x = "a"
>>> "aa" is x * 2
False
>>> "aa" is intern(x*2)
True
Please see this question as well.
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Lint: How to ignore “ is not translated in ” errors?
... set the attribute translatable="false" on the definition like this:
<string name="account_setup_imap" translatable="false">IMAP</string>
For more information: http://tools.android.com/recent/non-translatablestrings
...
Checking for an empty field with MySQL
...
An empty field can be either an empty string or a NULL.
To handle both, use:
email > ''
which can benefit from the range access if you have lots of empty email record (both types) in your table.
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Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED?
...uld be another reason for this error. The attribute
android:taskAffinity="string"
Should always start with a dot, like:
android:taskAffinity=".string"
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lexers vs parsers
...language pieces they find.
Lexers attach meaning by classifying lexemes (strings of symbols from the input) as the particular tokens. E.g. All these lexemes: *, ==, <=, ^ will be classified as "operator" token by the C/C++ lexer.
Parsers attach meaning by classifying strings of tokens from the ...
How to install Android SDK Build Tools on the command line?
...dk --filter ...
The other answers don't mention that you can use constant string identifiers instead of indexes (which will change) for the filter options. This is helpful for unattended or scripted installs. Man for --filter option:
... This also accepts the identifiers returned by 'list sdk -...
How to sort in mongoose?
... mongoose 3 you can't use Array for field selection anymore - it has to be String or Object
– pkyeck
Oct 14 '12 at 7:30
4
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Create thumbnail image
...esponse, you can modify the code for your purpose:
public void WriteImage(string path, int width, int height)
{
Bitmap srcBmp = new Bitmap(path);
float ratio = srcBmp.Width / srcBmp.Height;
SizeF newSize = new SizeF(width, height * ratio);
Bitmap target = new Bitmap((int) newSize.Wi...