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How to force a web browser NOT to cache images
...
Armin Ronacher has the correct idea. The problem is random strings can collide. I would use:
<img src="picture.jpg?1222259157.415" alt="">
Where "1222259157.415" is the current time on the server.
Generate time by Javascript with performance.now() or by Python with time.time...
How do I show a console output/window in a forms application?
...application.
/// </summary>
[STAThread]
static void Main(string[] args)
{
// initialize console handles
InitConsoleHandles();
if (args.Length != 0)
{
if (args[0].Equals("waitfordebugger"))
{
MessageBox.Sh...
Split (explode) pandas dataframe string entry to separate rows
I have a pandas dataframe in which one column of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
...
How to execute XPath one-liners from shell?
...this query, use the -wrap option on the command line. If you just want the string value of the attribute, add /string() to the query.
– Michael Kay
Mar 26 '13 at 18:25
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How to store standard error in a variable
...ut for display or to be piped into another command.
It sets up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
How can I access a JavaScript object which has spaces in the object's key?
...metimes called associative arrays since each property is associated with a string value that can be used to access it. So, for example, you could access the properties of the myCar object as follows:
myCar['make'] = 'Ford';
myCar['model'] = 'Mustang';
myCar['year'] = 1969;
For more, read on at Wo...
LINQ Single vs First
...the first number from the list or 0 if the list is empty. If it is list<string>, it will return the first string from the list or null if the list is empty.
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improve this answer
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How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...the way to handle an empty fragment identifier:
2. If fragid is the empty string, then the indicated part of the document is the top of the document
Using a href of "#!" instead works simply because it avoids this rule. There's nothing magic about the exclamation mark - it just makes a convenient ...
How to compare if two structs, slices or maps are equal?
...er than using reflection):
http://play.golang.org/p/CPdfsYGNy_
m1 := map[string]int{
"a":1,
"b":2,
}
m2 := map[string]int{
"a":1,
"b":2,
}
fmt.Println(reflect.DeepEqual(m1, m2))
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...
Jade: Links inside a paragraph
... "<a href='$2'>$1</a>");
return jade.compile(txt)();
};
jadestring = ""+ // p.s. I hate javascript's non-handling of multiline strings
"h1 happy days\n"+
":inline\n"+
" p this can have [a link](http://going-nowhere.com/) in it"
f = jade.compile(jadestring);
console.log(f());...