Questions tagged [null]

28

votes

1

answers

How can it be that this == null?

c# .net events null

asked 2013-07-16T11:47:04.037

12

votes

3

answers

Why stringbuilder stops adding elements after using the null character?

java linux eclipse null character

asked 2013-07-03T13:52:36.190

8

votes

3

answers

why the type of `nil` is not `id` but `void *`

objective-c objective-c-blocks null

asked 2013-06-15T10:40:22.770

39

votes

5

answers

Specify default property value as NULL in Spring

spring properties null default-value

asked 2013-05-24T12:36:02.773

55

votes

4

answers

Difference between null and empty string

java string null nullpointerexception

asked 2013-05-18T03:19:52.830

13

votes

6

answers

Is an empty textbox considered an empty string or null?

c# asp.net .net null

asked 2013-05-17T14:54:18.267

8

votes

3

answers

Null To Boolean IValueConverter not working

c# wpf null ivalueconverter

asked 2013-03-12T09:14:17.327

40

votes

8

answers

Checking several string for null in an if statement

c# string null

asked 2013-02-20T14:40:40.740

9

votes

5

answers

How to insert an actual NULL value into a nullable column?

php mysql null

asked 2013-01-30T09:35:35.220

33

votes

3

answers

Error checking for NULL in VBScript, getting "Object Required"

vbscript null asp-classic nullreferenceexception

asked 2013-01-24T17:47:47.853

54

votes

6

answers

getActionView() of my MenuItem return null

android view null android-actionbar

asked 2013-01-11T21:16:37.557

340

votes

6

answers

How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly?

python pandas null nan

asked 2013-01-09T22:22:05.290

8

votes

3

answers

return value 'no row' if max query return a NULL

mysql null max

asked 2013-01-04T09:09:19.417

20

votes

7

answers

How to assign a NULL value to SqlParameter

c# null sqlparameter

asked 2012-12-20T22:04:32.600

190

votes

4

answers

ALTER TABLE, set null in not null column, PostgreSQL 9.1

postgresql null postgresql-9.1

asked 2012-11-30T10:55:57.023

10

votes

2

answers

what is difference between null and "null" of String.valueOf(String Object)

java string object if-statement null

asked 2012-11-27T05:25:51.137

31

votes

2

answers

Oracle SQL - max() with NULL values

sql oracle-database null

asked 2012-11-16T13:49:38.087

79

votes

4

answers

Don't update column if update value is null

sql postgresql null sql-update

asked 2012-11-09T10:02:00.590

15

votes

10

answers

Why in SQL NULL can't match with NULL?

mysql sql sql-server oracle-database null

asked 2012-10-12T07:06:52.490

11

votes

7

answers

Can I null-check in-line?

java null nullpointerexception

asked 2012-09-10T07:44:39.330

46

votes

3

answers

Combine two columns and add into one new column

sql postgresql null concatenation

asked 2012-09-07T02:36:02.303

10

votes

5

answers

How to check if params[:some][:field] is nil?

ruby-on-rails parameters null

asked 2012-08-07T12:40:13.783

33

votes

7

answers

C++: strcpy Function copies null?

c++ string null

asked 2012-08-06T15:10:38.057

29

votes

2

answers

How to implement the empty set - ∅?

java null set-theory

asked 2012-07-10T13:34:02.710

21

votes

7

answers

Get first non-null value from a flat array

php arrays null

asked 2012-06-22T15:14:07.000

17

votes

6

answers

What's the difference between an option type and a nullable type?

f# null

asked 2012-06-21T21:11:23.833

13

votes

2

answers

What is the behavior of the conversion specifier `p` with `NULL` pointer?

c null printf

asked 2012-05-05T11:23:03.023

78

votes

14

answers

Java: avoid checking for null in nested classes (Deep Null checking)

java class null ternary

asked 2012-04-30T22:29:17.543

15

votes

3

answers

PHP equivalent to C# string.IsNullOrEmpty method?

c# php string null

asked 2012-04-26T09:07:45.370

8

votes

4

answers

MySQL column defaults - advantages/disadvantages and should I use for all columns?

mysql null default default-value

asked 2012-04-14T16:00:28.920

9

votes

1

answers

$.parseXML not working with valid xml

jquery html null xml-parsing

asked 2012-04-13T19:58:04.287

79

votes

6

answers

Is NULL always zero in C?

c pointers null zero

asked 2012-03-27T16:47:59.793

44

votes

6

answers

How to handle nulls in LINQ when using Min or Max?

c# .net linq null

asked 2012-03-24T14:41:26.557

16

votes

3

answers

How to 'cut' on null?

file unix null cut nul

asked 2012-03-24T01:43:36.440

35

votes

6

answers

Can 'this' ever be null in Javascript

javascript null this

asked 2012-03-16T15:12:00.590

8

votes

6

answers

Does C support optional null parameters?

c null optional-parameters function-declaration function-parameter

asked 2012-02-07T16:28:22.797

11

votes

8

answers

What are good light-weight design patterns for avoid nulls in Java?

java design-patterns nullpointerexception null

asked 2012-02-06T15:21:33.200

15

votes

3

answers

Can MySQL INT type be non-zero NULL

mysql null int

asked 2012-02-05T23:57:05.950

53

votes

6

answers

How to check if a double is null?

java database null double

asked 2012-02-01T02:51:06.317

20

votes

2

answers

Scala App val initialization in main method

scala null program-entry-point

asked 2012-01-31T12:43:49.663

8

votes

9

answers

Does it make sense to self check for null in Java

java coding-style null nullpointerexception

asked 2012-01-26T13:11:04.130

9

votes

2

answers

getElementById and null - why?

javascript html null onclick

asked 2012-01-14T19:29:30.100

43

votes

2

answers

Comparing a generic against null that could be a value or reference type?

c# generics null value-type null-check

asked 2012-01-11T16:52:51.267

19

votes

3

answers

How to check if a table variable is empty in SQL Server?

sql-server t-sql null table-variable

asked 2012-01-05T18:17:26.137

10

votes

1

answers

Converting `false` into `nil`

ruby null

asked 2011-12-15T06:14:56.297

455

votes

6

answers

Create unique constraint with null columns

sql postgresql database-design null referential-integrity

asked 2011-11-27T21:16:12.893

22

votes

4

answers

What is the result of NULL + int?

c opengl pointers null pointer-arithmetic

asked 2011-11-27T04:49:12.187

38

votes

9

answers

Concatenate with NULL values in SQL

sql database string null concatenation

asked 2011-11-22T20:59:37.967

9

votes

3

answers

Hibernate handle long 0 value instead of NULL in ManyToOne relations

java hibernate null zero

asked 2011-11-07T15:40:43.710

91

votes

10

answers

Null parameter checking in C#

c# function null

asked 2011-09-28T15:19:32.023

Questions tagged null