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Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
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Assert.Equals tests using the Equals method, which by default uses reference equality and, since they are different objects, they are not equal. You'll want to compare each byte in the array and verify that they are equal. One way to do this is convert them to something that implem...
Reducing MongoDB database file size
... then you can Import that same database (using mongoimport). This will result in a new database that is more compressed. Now you can stop the original mongod replace with the new database files and you're good to go.
Stop the current mongod and copy the database files to a bigger computer and run th...
Formatting a number with leading zeros in PHP [duplicate]
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Use sprintf :
sprintf('%08d', 1234567);
Alternatively you can also use str_pad:
str_pad($value, 8, '0', STR_PAD_LEFT);
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Javascript Functions and default parameters, not working in IE and Chrome
...e) {
name = name || 'Bob';
}
Update
The above is true for ECMAScript <= 5. ES6 has proposed Default parameters. So the above could instead read:
function setName(name = 'Bob') {}
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Extracting hours from a DateTime (SQL Server 2005)
...point. But you're trying to enforce (to the extent of improperly editing multiple people's answers) your own standards. Your "best practice" is nothing of the sort.
– Auspex
Jan 25 '19 at 13:05
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Transpose a data frame
...s a solution that keeps numbers as numbers:
# first remember the names
n <- df.aree$name
# transpose all but the first column (name)
df.aree <- as.data.frame(t(df.aree[,-1]))
colnames(df.aree) <- n
df.aree$myfactor <- factor(row.names(df.aree))
str(df.aree) # Check the column types
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On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
...ate) {
super.onCreate(savedInstanceState);
/**snip **/
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("com.package.ACTION_LOGOUT");
registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
...ith a template (as a string or loaded to a string)
var templateString = '<div my-directive>{{5 + 10}}</div>';
Now, this templateString is wrapped as an angular element
var el = angular.element(templateString);
With el, now we compile it with $compile to get back the link function.
var...
How to reference a method in javadoc?
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Therefore, provide a label only if you want different text than the default.
For example, you might link from human language to code:
/** You can also {@linkplain #getFoo() get the current foo}. */
void setFoo( Foo foo ) { ... }
Or you might link from a code sample with text different than the d...
variable === undefined vs. typeof variable === “undefined”
... "foo";
if (variable === undefined)
console.log("eh, what?!");
The result of typeof variable cannot.
Update: note that this is not the case in ES5 there the global undefined is a non-configurable, non-writable property:
15.1.1 Value Properties of the Global Object
[...]
15.1.1.3 undefi...