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How to check that a string is an int, but not a double, etc.?
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How about using ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not ...
Call a controller function from a directive without isolated scope in AngularJS
...ions using dot notation, like this:
some_obj.greet()
But you can also use array notation:
some_obj['greet']
Note how the index value is a string. So, in your directive you can simply do this:
link: function (scope, element, attrs) {
element.bind('click', function (e) {
if (confirm(at...
How to increase the Java stack size?
...24" by the recurring lines in the stack trace?
Obviously, the stack trace array length in Throwable seems to be limited to 1024.
Try the following program:
public class Test {
public static void main(String[] args) {
try {
System.out.println(fact(1 << 15));
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Will console.log reduce JavaScript execution performance?
...red, spamming the console.log even with the same static text (no object or array; literally just console.log('test') would do it) also causes a performance hit. This came to my attention as I was logging "called" within a function that got invoked on hundreds of React components during re-renders. T...
How to check if a string “StartsWith” another string?
... to build your project, you at least need to have "es2015.core" in the lib array of your tsconfig.json
– baywet
Mar 28 '19 at 18:57
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C read file line by line
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In your readLine function, you return a pointer to the line array (Strictly speaking, a pointer to its first character, but the difference is irrelevant here). Since it's an automatic variable (i.e., it's “on the stack”), the memory is reclaimed when the function returns. You see ...
list_display - boolean icons for methods
When defining the list_display array for a ModelAdmin class, if a BooleanField or NullBooleanField is given the UI will use nice looking icons instead of True/False text in the column. If a method that returns a boolean is given, however, it simply prints out True/False.
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How to pass parameters to a modal?
... my issue. If you're minifying your Angular code, yes, you have to use the array syntax for the ModalInstanceCtrl.
– mcole
Aug 29 '14 at 14:49
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Getting A File's Mime Type In Java
... must exist on the file system. This does not work with a stream or a byte array, etc.
– Necreaux
Mar 31 '15 at 18:06
3
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What exactly is an “open generic type” in .NET? [duplicate]
... parameters. More specifically:
A type parameter defines an open type.
An array type is an open type if and only if its element type is an open type.
A constructed type is an open type if and only if one or more of its type arguments is an open type. A constructed nested type is an open type if and...