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How to send a JSON object using html form data
...l form data then you have to decode it using json_decode. You'll then get all data in an array.
$.ajax({
type: "POST",
url: "serverUrl",
data: formData,
success: function(){},
dataType: "json",
contentType : "application/json"
});
...
Grouped LIMIT in PostgreSQL: show the first N rows for each group?
... For those who works with like millions rows and seeks for really performant way to do this - poshest's answer is the way to go. Just dont forget to spice ti up with proper indexing.
– Diligent Key Presser
Jun 20 '19 at 8:46
...
Terminating a script in PowerShell
...ps because Exit is one of the only keywords that doesn't have its own about_ help topic and therefore the list of topics in the left sidebar didn't include it.
– New Guy
Aug 14 '16 at 13:18
...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
...
C++ performance vs. Java/C#
...p of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because of this intermediate step, however I've been told that the latest compilers ("hot spot") can attain this speed or even exceed it.
...
Run java jar file on a server as background process
...on
[Service]
ExecStart=/usr/bin/java -jar /web/server.jar
User=user
[Install]
WantedBy=multi-user.target
Step 4:
Run your service
as super user
$ systemctl start whatever_you_want.service # starts the service
$ systemctl enable whatever_you_want.service # auto starts the service
$ systemctl ...
Gradle to execute Java class (without modifying build.gradle)
...ATE
:classes
:execute
I am BOO!
mainClass is a property passed in dynamically at command line. classpath is set to pickup the latest classes.
If you do not pass in the mainClass property, both of the approaches fail as expected.
$ gradle execute
FAILURE: Build failed with an exception.
* Whe...
How to share my Docker-Image without using the Docker-Hub?
...ers are stored by default under /var/lib/docker. While you could (theoretically) cherry pick files from there and install it in a different docker server, is probably a bad idea to play with the internal representation used by Docker.
When you push your image, these layers are sent to the registry ...
When to use std::size_t?
...t you need to compare in the loop condition against something that is naturally a std::size_t itself.
std::size_t is the type of any sizeof expression and as is guaranteed to be able to express the maximum size of any object (including any array) in C++. By extension it is also guaranteed to be big...
The project type is not supported by this installation
...lease see the answer further down, which is about 18 months newer, and actually solves the problem. This historically once-accurate answer is no longer as accurate. Leaving intact after the break for this reason. - thanks - jcolebrand
What edition of VS do you use? VS2008 Express, Standard, Pro ...