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'printf' vs. 'cout' in C++
... instead of just printing them. For example, printing of something like 0x0424 is just crazy. This is caused by std::cout mixing state and actual values. I never saw a language where something like std::setfill would be a type (other than C++, of course). printf clearly separates arguments and actua...
Swapping column values in MySQL
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204
I just had to deal with the same and I'll summarize my findings.
The UPDATE table SET X=Y, Y=X...
Is this object-lifetime-extending-closure a C# compiler bug?
...ran into some extremely curious code-gen on the part of the C# compiler (4.0 if that matters).
2 Answers
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How do I use arrays in C++?
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answered Jan 26 '11 at 22:14
fredoverflowfredoverflow
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Structure padding and packing
...l" address boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
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Iterating each character in a string using Python
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452
As Johannes pointed out,
for c in "string":
#do something with c
You can iterate prett...
How do I shuffle an array in Swift?
...s how to shuffle with a fast and uniform algorithm (Fisher-Yates) in Swift 4.2+ and how to add the same feature in the various previous versions of Swift. The naming and behavior for each Swift version matches the mutating and nonmutating sorting methods for that version.
Swift 4.2+
shuffle and sh...
Append an object to a list in R in amortized constant time, O(1)?
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edited Apr 28 '16 at 18:24
smci
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answered Mar ...
How do I search an SQL Server database for a string?
...heir Answers:
CREATE PROCEDURE FindMyData_String
@DataToFind NVARCHAR(4000),
@ExactMatch BIT = 0
AS
SET NOCOUNT ON
DECLARE @Temp TABLE(RowId INT IDENTITY(1,1), SchemaName sysname, TableName sysname, ColumnName SysName, DataType VARCHAR(100), DataFound BIT)
INSERT INTO @Temp(TableName...
Difference between 'struct' and 'typedef struct' in C++?
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edited Jul 14 '18 at 17:08
YePhIcK
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