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Pro JavaScript programmer interview questions (with answers) [closed]
...thout throwing errors. In addition it should be able to handle numbers as strings for extra credit.
– Abadaba
Dec 19 '12 at 6:25
2
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How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
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How do I obtain a Query Execution Plan in SQL Server?
...ackExchange/dapper-dot-net">Dapper.net</…> connection.Query<string>("SELECT query_plan FROM sys.dm_exec_cached_plans CROSS APPLY sys.dm_exec_sql_text(plan_handle) CROSS APPLY sys.dm_exec_query_plan(plan_handle) WHERE TEXT LIKE N'%Your Original Query Goes Here%'"); The %'s are if ...
StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
18
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LogCat message: The Google Play services resources were not found. Check your project configuration
...google.android.gms.common.GooglePlayServicesUtil.class. The aforementioned string appears only in one place:
public static int isGooglePlayServicesAvailable(Context context) {
PackageManager localPackageManager = context.getPackageManager();
try {
Resources localResources = context....
Count character occurrences in a string in C++
How can I count the number of "_" in a string like "bla_bla_blabla_bla" ?
13 Answers
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Stripping everything but alphanumeric chars from a string in Python
What is the best way to strip all non alphanumeric characters from a string, using Python?
11 Answers
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SparseArray vs HashMap
...his is a supplemental answer for that.
Create a SparseArray
SparseArray<String> sparseArray = new SparseArray<>();
A SparseArray maps integers to some Object, so you could replace String in the example above with any other Object. If you are mapping integers to integers then use SparseI...
Alter column, add default constraint
...faultForColumn] '[dbo].[TableName]','Column,'6';
-- Update default to be a string. Note extra quotes, as this is not a function.
exec [dbo].[AlterDefaultForColumn] '[dbo].[TableName]','Column','''MyString''';
Stored procedure:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- Sample function c...
Reading a UTF8 CSV file with Python
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The .encode method gets applied to a Unicode string to make a byte-string; but you're calling it on a byte-string instead... the wrong way 'round! Look at the codecs module in the standard library and codecs.open in particular for better general solutions for reading U...