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How to prevent rm from reporting that a file was not found?
...imes the files are not present, so it reports many errors. I do not need this message. I have searched the man page for a command to make rm quiet, but the only option I found is -f , which from the description, "ignore nonexistent files, never prompt", seems to be the right choice, but the name ...
Is there an alternative to string.Replace that is case-insensitive?
...me% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest
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What is the difference between a pseudo-class and a pseudo-element in CSS?
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The CSS 3 selector recommendation is pretty clear about both, but I'll try to show the differences anyway.
Pseudo-classes
Official description
The pseudo-class concept is introduced to permit selection based on information that lies outside of the docum...
Android: ProgressDialog.show() crashes with getApplicationContext
I can't seem to grasp why this is happening. This code:
18 Answers
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Should each and every table have a primary key?
... does not need a primary key, rethink your design: most probably, you are missing something. Why keep identical records?
In MySQL, the InnoDB storage engine always creates a primary key if you didn't specify it explicitly, thus making an extra column you don't have access to.
Note that a primary ...
How do I check if an object has a specific property in JavaScript?
..., null, or false values. So simply reducing the property check to typeof this[property] or, even worse, x.key will give you completely misleading results.
It depends on what you're looking for. If you want to know if an object physically contains a property (and it is not coming from somewhere up o...
How can I reconcile detached HEAD with master/origin?
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First, let’s clarify what HEAD is and what it means when it is detached.
HEAD is the symbolic name for the currently checked out commit. When HEAD is not detached (the “normal”1 situation: you have a branch checked out), HEAD actually points to a br...
Are Java static calls more or less expensive than non-static calls?
Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot.
12 Answers
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Length of an integer in Python
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edited Mar 23 '13 at 2:19
Alois Mahdal
8,75355 gol...
TypeScript function overloading
...out function overloading and gives concrete examples on how to implement this. However if I try something like this:
6 Ans...