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Call a stored procedure with parameter in c#
...you will use that instead of da.InsertCommand.
Also, use a using for all disposable objects, so that you are sure that they are disposed properly:
private void button1_Click(object sender, EventArgs e) {
using (SqlConnection con = new SqlConnection(dc.Con)) {
using (SqlCommand cmd = new SqlC...
How do I use NSTimer?
...rstly I'd like to draw your attention to the Cocoa/CF documentation (which is always a great first port of call). The Apple docs have a section at the top of each reference article called "Companion Guides", which lists guides for the topic being documented (if any exist). For example, with NSTimer,...
How to work with complex numbers in C?
How can I work with complex numbers in C? I see there is a complex.h header file, but it doesn't give me much information about how to use it. How to access real and imaginary parts in an efficient way? Is there native functions to get module and phase?
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Checkstyle vs. PMD
We are introducing static analysis tools into the build system for our Java product. We are using Maven2 so Checkstyle and PMD integration come for free. However it looks like there is a large overlap in functionality between these two tools, in terms of enforcing basic style rules.
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java.lang.OutOfMemoryError: Java heap space
... would recommend profiling your application to find out why your heap size is being eaten. NetBeans has a very good profiler included with it. I believe it uses the jvisualvm under the hood. With a profiler, you can try to find where many objects are being created, when objects get garbage collected...
PostgreSQL ERROR: canceling statement due to conflict with recovery
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Running queries on hot-standby server is somewhat tricky — it can fail, because during querying some needed rows might be updated or deleted on primary. As a primary does not know that a query is started on secondary it thinks it can clean up (vacuum) old versi...
How to create a directory in Java?
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After ~7 year, I will update it to better approach which is suggested by Bozho.
new File("/path/directory").mkdirs();
Deprecated:
File theDir = new File("new folder");
// if the directory does not exist, create it
if (!theDir.exists()) {
System.out.println("creating direc...
how to debug the js in jsfiddle
I am looking at this jsfiddle: http://jsfiddle.net/carpasse/mcVfK/
It works fine that is not the problem , I just want to know how to debug through the javascript. I tried to use the debugger command and I cant find it in the sources tab?
any idea how I can debug this?
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What is this: [Ljava.lang.Object;?
I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it.
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No line-break after a hyphen
...'m looking to prevent a line break after a hyphen - on a case-by-case basis that is compatible with all browsers.
5 Answe...