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How to tell if JRE or JDK is installed
...stalled JDK on. I have another computer with JRE, for, among other things, testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow installed on my system? Note: the computer in que...
Table name as variable
... set the table name based on the current year and month name, in this case TEST_2012OCTOBER. I then check if it exists in the DB already, and remove if it does. Then the next block will use a SELECT INTO Statement to create the table and populate it with records from another table with parameters.
...
bower automatically update bower.json
... you choose and put it under the bower packages folder, it's a good way of testing a package before setting it into stone.
– gru
Feb 27 '14 at 15:19
3
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.NET Configuration (app.config/web.config/settings.settings)
...g environment
Machine key
When each environment (developer, integration, test, stage, live) has its own unique settings in the c:\Windows\Microsoft.NET\Framework64\v2.0.50727\CONFIG directory, then you can promote your application code between environments without any post-build modifications.
An...
Use of 'const' for function parameters
...
// Example of const only in definition, not declaration
class foo { void test(int *pi); };
void foo::test(int * const pi) { }
However, the converse is true... you can put a spurious const only in the declaration and ignore it in the definition. This only makes superfluous const in an API more o...
“The given path's format is not supported.”
...e properties security tab.
var yourJson = System.IO.File.ReadAllText(@"D:\test\json.txt"); // Works
var yourJson = System.IO.File.ReadAllText(@"D:\test\json.txt"); // Error
So those, identical at first glance, two lines are actually different.
...
Make function wait until element exists
.... If it is a 3rd party code such as google maps) then what you could do is test for the existence in an interval:
var checkExist = setInterval(function() {
if ($('#the-canvas').length) {
console.log("Exists!");
clearInterval(checkExist);
}
}, 100); // check every 100ms
But note ...
Repeat String - Javascript
...
I've tested the performance of all the proposed approaches.
Here is the fastest variant I've got.
String.prototype.repeat = function(count) {
if (count < 1) return '';
var result = '', pattern = this.valueOf();
wh...
How to set breakpoints in inline Javascript in Google Chrome?
...ally script inside html returned by ajax, is to temporary put console.log("test") inside the script.
Once you have fired the event, open up the console tab inside the developer tools.
you will see the source file link shown up at the right side of the "test" debug print statement. just click on t...
How do you manage databases in development, test, and production?
...d examples of how to manage database schemas and data between development, test, and production servers.
14 Answers
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