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How to tell if a string contains a certain character in JavaScript?
...find "hello" in your_string
if (your_string.indexOf('hello') > -1)
{
alert("hello found inside your_string");
}
For the alpha numeric you can use a regular expression:
http://www.regular-expressions.info/javascript.html
Alpha Numeric Regular Expression
...
Design by contract using assertions or exceptions? [closed]
...
The point in assertions is not to correct errors, but to alert the programmer. Keeping them enabled in release builds is useless for that reason: What would you have gained by having an assert firing? The developer won't be able to jump in and debug it. Assertions are a debugging a...
Why am I getting ibtool failed with exit code 255?
...uck is, in a shell:
ibtool --warnings --errors --notices yourfile.xib > alerts.plist
which will crash, but now you have the crashlog, in my case it was an issue with simulated metrics:
localhost:Classes me$ ibtool --warnings --errors --notices CodeViewController.xib > alerts.plist
2014-...
Extract a number from a string (JavaScript)
...teristic:561613213213";
var numb = txt.match(/\d/g);
numb = numb.join("");
alert (numb);
result
1234561613213213
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Detecting that the browser has no mouse and is touch-only
...tectMouse = function(e){
if (e.type === 'mousedown') {
alert('Mouse interaction!');
}
else if (e.type === 'touchstart') {
alert('Touch interaction!');
}
// remove event bindings, so it only runs once
$body.off('mousedown touchst...
Injecting $scope into an angular service function()
... patientCategoryController = function ($scope, getDataFactory) {
alert('Hare');
var promise = getDataFactory.callWebApi('someDataToPass');
promise.then(
function successCallback(response) {
alert(JSON.stringify(response.data));
//...
Prevent Android activity dialog from closing on outside touch
...eople who find this question are looking for a way to prevent the standard AlertDialog from closing on touch outside, and that's what this answer provides.
– aroth
Aug 9 '16 at 2:34
...
WebAPI Delete not working - 405 Method Not Allowed
...",
dataType: "json",
success: function(data, statusText) {
alert(data);
},
error: function(request, textStatus, error) {
alert(error);
debugger;
}
});
Do not use something like this:
...
data: {id:id}
...
as when you use the POST method.
...
Generate random password string with requirements in javascript
...r general solution, 3 lines max; can be one-liner)
it uses only native Javascript- no installation or other libs required
Note that
for this to work on IE, the Array.fill() prototype must be polyfilled
if available, better to use window.crypto.getRandomValues() instead of Math.random() (thanks @...
Cannot set boolean values in LocalStorage?
...f LocalStorage can save boolean values but I can tell you that when you do alert("true" == true); it will never evaluate to true because you are implicitly comparing a string to a boolean. That is why to set boolean values you use true instead of "true".
...