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Correct Bash and shell script variable capitalization
...nt variables (PAGER, EDITOR, ...) and internal shell variables (SHELL, BASH_VERSION, ...) are capitalized. All other variable names should be lower case.
Remember that variable names are case-sensitive; this convention avoids accidentally overriding environmental and internal variables.
Keeping to...
Fastest way to determine if an integer's square root is an integer
...04040 computed below
{
for (int i=0; i<64; ++i) goodMask |= Long.MIN_VALUE >>> (i*i);
}
public boolean isSquare(long x) {
// This tests if the 6 least significant bits are right.
// Moving the to be tested bit to the highest position saves us masking.
if (goodMask <&l...
How to return an array from JNI to Java?
...ode is going to look something like this:
JNIEXPORT jintArray JNICALL Java_ArrayTest_initIntArray(JNIEnv *env, jclass cls, int size)
{
jintArray result;
result = (*env)->NewIntArray(env, size);
if (result == NULL) {
return NULL; /* out of memory error thrown */
}
int i;
// fill a temp...
Cross-Domain Cookies
...ntrol-Allow-Headers: Content-Type, *");
Within the PHP-file you can use $_COOKIE[name]
Second, on the client side:
Within your ajax request you need to include 2 parameters
crossDomain: true
xhrFields: { withCredentials: true }
Example:
type: "get",
url: link,
crossDomain: true,
dataType: '...
List comprehension vs map
...oints, but sometimes map seems easier to read to me: data = map(str, some_list_of_objects). Some other ones... operator.attrgetter, operator.itemgetter, etc.
– Gregg Lind
Aug 8 '09 at 16:06
...
How to check which version of v8 is installed with my NodeJS?
... version (don't know since when this is available)
> npm version
{ http_parser: '1.0',
node: '0.10.35',
v8: '3.14.5.9',
ares: '1.9.0-DEV',
uv: '0.10.30',
zlib: '1.2.8',
modules: '11',
openssl: '1.0.1j',
npm: '1.4.28',
xsjs: '0.1.5' }
...
Role/Purpose of ContextLoaderListener in Spring?
...om/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="
http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID"
version="2.5">
<display-name>Some Minimal Webapp<...
Can an Option in a Select tag carry multiple values?
... 2nd an object:
<select name="">
<option value='{"num_sequence":[0,1,2,3]}'>Option one</option>
<option value='{"foo":"bar","one":"two"}'>Option two</option>
</select>
Edited (3 years after answering) to put both values into JSON format ...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...e, but trying to call setItem throws an exception.
store.js line 73
"QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to add something to storage that exceeded the quota."
What happens is that the window object still exposes localStorage in the global namespace, but when you call setItem...
How do I install Python OpenCV through Conda?
...for me three, on Ubuntu 14.04. :-) THANKS!
– Rafael_Espericueta
Apr 11 '15 at 1:23
11
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