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How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
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What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
..."IsValid" without ModelState. (Say for example the Object is loaded from a file or used in a Console App etc.)
– runxc1 Bret Ferrier
May 10 '11 at 3:53
1
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How to split text without spaces into list of words?
...reenappleactiveassignmentweeklymetapho
rapparentlytherearethumbgreenappleetcinthestringialsohavealargedictionarytoquery
whetherthewordisreasonablesowhatsthefastestwayofextractionthxalot.
After: there is masses of text information of peoples comments which is parsed from html but there are n...
Find size of object instance in bytes in c#
...tter adds headers, so you can change your class and load an old serialized file into the modified class.
Also it won't tell you the real size in memory nor will take into account memory alignment.
[Edit]
By using BiteConverter.GetBytes(prop-value) recursivelly on every property of your class you w...
How to implement the activity stream in a social network
... If there is multiple source of activity (add, comment, like, etc.), how do you join this table with actual activities? Do you use multiple left join (each for an activity table)?
– Ali Shakiba
Jan 14 '11 at 22:54
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Extracting bits with a single multiplication
...bits that meet the (n-m) criterion, but also the ones that are at (n-m+1), etc. Let's call their number Q0 (exactly n-m to next bit), Q1 (n-m+1), up to Q(N-1) (n-1). Then we risk carry if
Q0 > 1
Q0 == 1 && Q1 >= 2
Q0 == 0 && Q1 >= 4
Q0 == 1 && Q1 > 1 && Q...
Why do we always prefer using parameters in SQL statements?
...y and use QueryFirst (disclaimer: which I wrote). Your SQL lives in a .sql file. You edit it in the fabulous TSQL editor window, with syntax validation and Intellisense for your tables and columns. You can assign test data in the special comments section and click "play" to run your query right ther...
What are CFI directives in Gnu Assembler (GAS) used for?
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- ImperialViolet - CFI directives in assembly files
– Mark Simon
Sep 19 '17 at 5:24
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Task vs Thread differences [duplicate]
...now it will be a separate thread, rather than executing on the thread pool etc.
Task is more than just an abstraction of "where to run some code" though - it's really just "the promise of a result in the future". So as some different examples:
Task.Delay doesn't need any actual CPU time; it's jus...
Maven dependency for Servlet 3.0 API?
...d...
Brabster separate dependencies have been replaced by Java EE 6 Profiles. Is there a source that confirms this assumption?
The maven repository from Java.net indeed offers the following artifact for the WebProfile:
<repositories>
<repository>
<id>java.net2</id&g...