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What is the best way to do a substring in a batch file?
...s is zero based, so the first character is at position 0, the second at 1, etc.
To get substrings of argument variables such as %0, %1, etc. you have to assign them to a normal environment variable using set first:
:: Does not work:
@echo %1:~10,5
:: Assign argument to local variable first:
set v...
Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
... the old value of i after incrementing, I think ++i may be shorter (on the order of 1-2 instructions).
– danben
Feb 5 '11 at 0:18
26
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When to use reinterpret_cast?
...is true that reinterpret_cast is not portable because of one reason - byte order (endianness). But this is often surprisingly the best reason to use it. Let's imagine the example: you have to read binary 32bit number from file, and you know it is big endian. Your code has to be generic and works pro...
Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
... at combating baldness, snow removal, heat pump repair, making a soufflé, etc.
:-)
Are there any obvious performance impacts to be considered when using any one of them?
Interfaces, by definition, do not have "performance impacts" -- they are merely a description of an API.
I am not aware t...
Calculate number of hours between 2 dates in PHP
...at it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here's what you want with the help of this objects:
// Create two new DateTime-objects...
$date1 = new DateTime('2006-04-12T12:30:00');
$date2 = new DateTime('2006-04-14T11:30:0...
Download the Android SDK components for offline install
...ouu will find all the list of xml files where packages are available
Fetching https://dl-ssl.google.com/android/repository/addons_list-2.xml
Fetched Add-ons List successfully
Fetching URL: https://dl-ssl.google.com/android/repository/repository-7.xml
Validate XML: https://dl-ssl.google.co...
What is `mt=8` in iTunes links for the App Store?
...nk itself (e.g. RSS Feed Generator, Search API,
Enterprise Partner Feed, etc.). This helps identify where the link
came from for your benefit, but doesn’t actually affect the end user
experience. This can be removed if necessary to tidy up the link.
Affiliate Specific Parameters
AT...
Check if a string contains one of 10 characters
...C# and I want to check if a string contains one of ten characters, *, &, # etc etc.
6 Answers
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How to check if IEnumerable is null or empty?
...egil meh - I can't get excited about that. As long as the intent is clear, etc.
– Marc Gravell♦
Feb 18 '11 at 22:55
6
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Explain ExtJS 4 event handling
...gets event handling is realized by utilizing Ext.util.Observable mixin. In order to handle events properly your widget must containg Ext.util.Observable as a mixin. All built-in widgets (like Panel, Form, Tree, Grid, ...) has Ext.util.Observable as a mixin by default.
For widgets there are two ways...