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“:” (colon) in C struct - what does it mean? [duplicate]
...erstand why test4: 4 and I got test4: 2 on Darwin Kernel Version 17.0.0 x86_64
– Aleksey
Oct 5 '17 at 10:14
1
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In CMake, how can I test if the compiler is Clang?
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A reliable check is to use the CMAKE_<LANG>_COMPILER_ID variables. E.g., to check the C++ compiler:
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# using Clang
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# using GCC
elseif (CMAKE_CXX_COMPILER_ID STREQ...
Create timestamp variable in bash script
...cial documentation here: https://www.gnu.org/software/coreutils/manual/html_node/Time-conversion-specifiers.html#Time-conversion-specifiers
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XAMPP, Apache - Error: Apache shutdown unexpectedly
...The solution ended up being (stackoverflow.com/questions/14548768/… setup_xampp.bat to refresh the paths]
– Timmah
Feb 7 '15 at 1:35
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Converting datetime.date to UTC timestamp in Python
...ase on the given platform. You could use pytz module (e.g., via tzlocal.get_localzone()) to get access to the tz database on all platforms. Also, utcfromtimestamp() may fail and mktime() may return non-POSIX timestamp if "right" timezone is used.
To convert datetime.date object that represents da...
Using the rJava package on Win7 64 bit with R
...l find the jvm.dll automatically, without manually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit R, you need Java for Windows x64
To build or check R packages with multi-arch (the default) you need to install both ...
Django Admin - Disable the 'Add' action for a specific model
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It is easy, just overload has_add_permission method in your Admin class like so:
class MyAdmin(admin.ModelAdmin):
def has_add_permission(self, request, obj=None):
return False
...
Convert a float64 to an int in Go
...onv"
)
func main() {
floats := []float64{1.9999, 2.0001, 2.0}
for _, f := range floats {
t := int(f)
s := fmt.Sprintf("%.0f", f)
if i, err := strconv.Atoi(s); err == nil {
fmt.Println(f, t, i)
} else {
fmt.Println(f, t, err)
}
...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
... a strange file ".empty":
sh-3.2# ls -la data/test
total 0
drwxr-xr-x 3 _mysql wheel 102 Apr 15 12:36 .
drwxr-xr-x 11 _mysql wheel 374 Apr 15 12:28 ..
-rw-r--r-- 1 _mysql wheel 0 Mar 31 10:19 .empty
Once I rm'd the .empty file, the drop database command succeeded.
I don't know whe...
How to convert Java String into byte[]?
...(Charset.forName("UTF-8"));
byte[] b = string.getBytes(StandardCharsets.UTF_8); // Java 7+ only
However the problem you appear to be wrestling with is that this doesn't display very well. Calling toString() will just give you the default Object.toString() which is the class name + memory address...