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Actual meaning of 'shell=True' in subprocess
...es it provides.
Where the interactions with the shell are nontrivial, you now require the reader and maintainer of the Python script (which may or may not be your future self) to understand both Python and shell script. Remember the Python motto "explicit is better than implicit"; even when the Pyt...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...same and when they are of the same length (as explained in the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // retu...
CSS Printing: Avoiding cut-in-half DIVs between pages?
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Works in Safari 6 :) which is in developer preview now
– Linus Unnebäck
Jul 21 '12 at 17:14
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Datepicker: How to popup datepicker when click on edittext
...rue"
android:editable="false"
android:hint="@string/birthday"/>
Now in Java File:
final Calendar myCalendar = Calendar.getInstance();
EditText edittext= (EditText) findViewById(R.id.Birthday);
DatePickerDialog.OnDateSetListener date = new DatePickerDialog.OnDateSetListener() {
@Ove...
Linq Syntax - Selecting multiple columns
... you suggest how to properly write this expression: select new { (DateTime.Now - debt.ClaimDate), debt.Amount}; ? It throws an error: Invalid anonymous type member declarator
– Dainius Kreivys
Sep 19 '16 at 13:13
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return query based on date
... Date().getTime()-60*5*1000 gives us 1484383878676 (5 minutes ago in ms)
Now we need to feed that into a new Date() constructor to get the ISO string format required by MongoDB timestamps.
{ $gte: new Date(resultFromAbove).toISOString() } (mongodb .find() query)
Since we can't have variables we ...
Mongoose indexing in production code
...hen you define (compile) your model. I do that when I first start the app. Now the hard think is to decide to drop all indexes and recreate them, in case you schema changes.
– Moss
Jul 31 '13 at 12:15
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What is the best way to detect a mobile device?
...ackberry|iemobile|opera mini/i.test(navigator.userAgent.toLowerCase()));
Now $.browser will return "device" for all above devices
Note: $.browser removed on jQuery v1.9.1. But you can use this by using jQuery migration plugin Code
A more thorough version:
var isMobile = false; //initiate as f...
How to perform .Max() on a property of all objects in a collection and return the object with maximu
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To paraphrase yourself, "I don't know what's the relation between this problem and abstracting away as a generic solution...". :) Sometimes stackoverflow is like a ham radio club...
– KristoferA
Jul 9 '09 at 9:32
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Container View Controller Examples [closed]
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do you have the sample code now, i need it because i have tried a lot but no solute yet.
– iPhone Programmatically
Dec 14 '12 at 10:33
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