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Rolling back a remote Git repository
...t --hard also cause the feature branches to be treated as already merged? My assumption is it wouldn't (where revert would).
– Marcus Leon
Apr 9 '16 at 12:11
...
The role of #ifdef and #ifndef
...def is false. It doesn't matter what it's defined as. A similar (better in my opinion) piece of code to that would be:
#define one 0
#ifdef one
printf("one is defined ");
#else
printf("one is not defined ");
#endif
since that specifies the intent more clearly in this particular situation....
Can we have multiple “WITH AS” in single sql - Oracle SQL
...s, can you join or match up t2 with t1 in your example, i.e. translated to my code,
with t1 as (select * from AA where FIRSTNAME like 'Kermit'),
t2 as (select * from BB B join t1 on t1.FIELD1 = B.FIELD1)
I am not clear whether only WHERE is supported for joining, or what joining approach is ...
String representation of an Enum
...
Use method
Enum.GetName(Type MyEnumType, object enumvariable)
as in (Assume Shipper is a defined Enum)
Shipper x = Shipper.FederalExpress;
string s = Enum.GetName(typeof(Shipper), x);
There are a bunch of other static methods on the Enum class wo...
Should I use char** argv or char* argv[]?
I'm just learning C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common?
...
Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
...lware from Facebook, and I'm curious to see what it does without infecting myself. I know that you can't really decompile an .exe, but can I at least view it in Assembly or attach a debugger?
...
How to generate a random int in C?
...serspace PRNGs).
For example:
#include "sodium.h"
int foo()
{
char myString[32];
uint32_t myInt;
if (sodium_init() < 0) {
/* panic! the library couldn't be initialized, it is not safe to use */
return 1;
}
/* myString will be an array of 32 random bytes...
How to get a reference to a module inside the module itself?
...here any potential downsides to this approach?
– JeremyDouglass
Nov 24 '17 at 21:53
@JeremyDouglass. Not that I'm awar...
How do I convert an integer to string as part of a PostgreSQL query?
...o cast to an 64 bit (8-byte) integer. Try this:
SELECT * FROM table
WHERE myint = mytext::int8
The :: cast operator is historical but convenient. Postgres also conforms to the SQL standard syntax
myint = cast ( mytext as int8)
If you have literal text you want to compare with an int, cast t...
Django admin: How to display a field that is marked as editable=False' in the model?
...
Use Readonly Fields. Like so (for django >= 1.2):
class MyModelAdmin(admin.ModelAdmin):
readonly_fields=('first',)
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