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What is the native keyword in Java for?
...in.c
#include <jni.h>
#include "Main.h"
JNIEXPORT jint JNICALL Java_Main_square(
JNIEnv *env, jobject obj, jint i) {
return i * i;
}
Compile and run:
sudo apt-get install build-essential openjdk-7-jdk
export JAVA_HOME='/usr/lib/jvm/java-7-openjdk-amd64'
javac Main.java
javah -jni Ma...
How to print the ld(linker) search path
...can do this by executing the following command:
ld --verbose | grep SEARCH_DIR | tr -s ' ;' \\012
gcc passes a few extra -L paths to the linker, which you can list with the following command:
gcc -print-search-dirs | sed '/^lib/b 1;d;:1;s,/[^/.][^/]*/\.\./,/,;t 1;s,:[^=]*=,:;,;s,;,; ,g' | tr \;...
Deciding between HttpClient and WebClient
... answered Feb 5 at 0:37
Simon_WeaverSimon_Weaver
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MySQL, update multiple tables with one query
... edited Jul 8 at 9:11
underscore_d
4,90633 gold badges2828 silver badges5454 bronze badges
answered Feb 23 '12 at 16:41
...
How do I get NuGet to install/update all the packages in the packages.config?
...tall each package
$packages.packages.package | % { Install-Package -id $($_.id) -Version $($_.version) }
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What is external linkage and internal linkage?
...al linkage but unreachable from other translation units.
class invisible_to_others { };
}
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Unique constraint on multiple columns
...ied from technet's documentation, is in the form of:
CONSTRAINT constraint_name UNIQUE [ CLUSTERED | NONCLUSTERED ]
(
column [ ASC | DESC ] [ ,...n ]
)
Therefore, the resuting table definition would be:
CREATE TABLE [dbo].[user](
[userID] [int] IDENTITY(1,1) NOT NULL,
[fcode] [int] ...
How does BLAS get such extreme performance?
... of the Strassen algorithm - ibm.com/support/knowledgecenter/en/SSFHY8/essl_welcome.html
– ben-albrecht
Oct 1 '18 at 13:36
2
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what's the correct way to send a file from REST web service to client?
...I, so you're not locked into Jersey):
@GET
@Produces(MediaType.APPLICATION_OCTET_STREAM)
public Response getFile() {
File file = ... // Initialize this to the File path you want to serve.
return Response.ok(file, MediaType.APPLICATION_OCTET_STREAM)
.header("Content-Disposition", "attachme...
How to define hash tables in Bash?
...are the answer by introducing the concepts:
First, indirection.
$ animals_moo=cow; sound=moo; i="animals_$sound"; echo "${!i}"
cow
Secondly, declare:
$ sound=moo; animal=cow; declare "animals_$sound=$animal"; echo "$animals_moo"
cow
Bring them together:
# Set a value:
declare "array_$index=$...