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How to escape a single quote inside awk
... It has nothing to do with awk. The ' character closes the opening ' shell string literal. The shell literal does not support a backslash escape for this. The sequence '\'' does the trick: it closes the single-quote literal, specifies the quote character (using an escape that is supported outside of...
change html text from link with jquery
...:
Get the combined text contents of all
matched elements.
The result is a
string that contains the combined text
contents of all matched elements. This
method works on both HTML and XML
documents. Cannot be used on input
elements. For input field text use the
val attribute.
For example:
Find the ...
Finding Number of Cores in Java
...tNumberOfCPUCores() {
OSValidator osValidator = new OSValidator();
String command = "";
if(osValidator.isMac()){
command = "sysctl -n machdep.cpu.core_count";
}else if(osValidator.isUnix()){
command = "lscpu";
}else if(osValidator.isWindows()){
command = "...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...ch as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Python start-up time, when Python scans the environment. It has to be called in a system-wide module, sitecustomize.py, After this module has been evaluated, the...
Are empty HTML5 data attributes valid?
... that empty attribute syntax is exactly equivalent to specifying the empty string as the value for the attribute, as in the following example.
<input disabled="">
So you are allowed to use empty custom data attributes, but special handling is needed to use them as boolean.
When you are acces...
How to print the current Stack Trace in .NET without any exception?
...nostics.StackTrace is to use System.Environment.StackTrace which returns a string-representation of the stacktrace.
Another useful option is to use the $CALLER and $CALLSTACK debugging variables in Visual Studio since this can be enabled run-time without rebuilding the application.
...
Display lines number in Stack Trace for .NET assembly in Release mode
...
This works every time. You just need to substring the stack trace message. Real Easy! Also, in vb.net you do need to do the "Show All Files" and include the pdb.
'Err is the exception passed to this function
Dim lineGrab As String = err.StackTrace.Substring(err.Stac...
How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
... function($table){
$table->increments('id');
$table->string('email', 255);
$table->string('given_name', 100);
$table->string('family_name', 100);
$table->timestamp('joined');
$table->enum('gender', ['male', 'female', 'unisex'])->de...
Expand a random range from 1–5 to 1–7
...
Very nice! Can we retain the extra entropy without growing state? The trick is to notice that both upper- and lower- bounds are at all times rational numbers. We can add, subtract, and multiply these without losing precision. If we do it all in base-35, ...
How do I convert a Ruby class name to a underscore-delimited symbol?
...ith a method called underscore that will allow you to transform CamelCased strings into underscore_separated strings. So you might be able to do this:
FooBar.name.underscore.to_sym
But you will have to install ActiveSupport just to do that, as ipsum says.
If you don't want to install ActiveSuppo...