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What does %~d0 mean in a Windows batch file?
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is there a difference between %~d0 and %~d0%?
– Geoffrey
May 11 '15 at 13:23
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Performance differences between debug and release builds
...frame. This is a big one, notable for making debugging optimized code so difficult. And giving the volatile keyword a meaning.
Array index checking elimination. An important optimization when working with arrays (all .NET collection classes use an array internally). When the JIT compiler can ver...
How to version REST URIs
...ld say making it part of the URI itself (option 1) is best because v4 identifies a different resource than v3. Query parameters like in your second option can be best used to pass-in additional (query) info related to the request, rather than the resource.
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How to avoid scientific notation for large numbers in JavaScript?
JavaScript converts a large INT to scientific notation when the number becomes large. How can I prevent this from happening?
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Android OnClickListener - identify a button
...c void onClick(View v) {
// it was the 2nd button
}
};
}
Or, if you are working with just one clicklistener, you can do:
View.OnClickListener myOnlyhandler = new View.OnClickListener() {
public void onClick(View v) {
switch(v.getId()) {
case R.id.b1:
// it wa...
How do I do a case-insensitive string comparison?
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Assuming ASCII strings:
string1 = 'Hello'
string2 = 'hello'
if string1.lower() == string2.lower():
print("The strings are the same (case insensitive)")
else:
print("The strings are NOT the same (case insensitive)")
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Is it possible to force ignore the :hover pseudoclass for iPhone/iPad users?
... Sometimes tap on element make that element ":hover", while sometimes it drifts to other elements.
For the time being, I just have a "no-touch" class at body.
<body class="yui3-skin-sam no-touch">
...
</body>
And have all CSS rules with ":hover" below ".no-touch":
.no-touch my:ho...
html select only one checkbox in a group
...the handler, 'this' refers to the box clicked on
var $box = $(this);
if ($box.is(":checked")) {
// the name of the box is retrieved using the .attr() method
// as it is assumed and expected to be immutable
var group = "input:checkbox[name='" + $box.attr("name") + "']";
// t...
Bash script to receive and repass quoted parameters
...bash
echo $*
bash myecho.sh "$@"
Note the "$@" construct is not bash specific and should work with any POSIX shell (it does with dash at least). Note also that given the output you want, you don't need the extra level of quoting at all. I.E. just call the above script like:
./test.sh 1 2 "3 4"
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How to get the children of the $(this) selector?
...Which is the same as using .find() like this:
jQuery(this).find("img");
If the imgs you desire are only direct descendants of the clicked element, you can also use .children():
jQuery(this).children("img");
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