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Finding out whether a string is numeric or not
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this is true for @"231.123" so: // newString consists only of the digits 0 through 9 and the . character
– Nicolas Tyler
Nov 14 '13 at 8:40
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What is the difference between JSON and Object Literal Notation?
...ther syntax).
The values can be any valid JavaScript expression, including function definitions and undefined.
Duplicate keys produce defined, specified results (in loose mode, the latter definition replaces the former; in strict mode, it's an error).
Knowing that, just by looking at the syntax,...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...tact.html
RewriteRule ^about$ about.php
Numeric identifiers /object/123
Introducing shortcuts like http://example.com/article/531 to existing PHP scripts is also easy. The numeric placeholder can just be remapped to a $_GET parameter:
RewriteRule ^article/(\d+)$ article-show.php?id=$1
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Matplotlib scatter plot with different text at each data point
...3.51468, 3.02199]
z = [0.15, 0.3, 0.45, 0.6, 0.75]
n = [58, 651, 393, 203, 123]
fig, ax = plt.subplots()
ax.scatter(z, y)
for i, txt in enumerate(n):
ax.annotate(txt, (z[i], y[i]))
There are a lot of formatting options for annotate(), see the matplotlib website:
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Checking if an Android application is running in the background
...tained, and it works throughout your whole application. Plus, there are no funky permissions required either.
MyLifecycleHandler.java:
public class MyLifecycleHandler implements ActivityLifecycleCallbacks {
// I use four separate variables here. You can, of course, just use two and
// incr...
How do I convert a string to a number in PHP?
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honzasp is right, for example in JavaScript typeof('123'+0) gives 'string', because '123'+0 gives '1230'.
– Oriol
Feb 24 '13 at 21:01
5
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How to define Gradle's home in IDEA?
... "Use gradle 'wrapper' task configuration"
– Cloudish123
Nov 9 '18 at 14:23
@AndrewGrimm In my case this radio button ...
Why doesn't JUnit provide assertNotEquals methods?
... 'not equals' cases.
int status = doSomething() ; // expected to return 123
assertTrue("doSomething() returned unexpected status", status != 123 ) ;
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Can I replace groups in Java regex?
...s) {
// replace with "%" what was matched by group 1
// input: aaa123ccc
// output: %123ccc
System.out.println(replaceGroup("([a-z]+)([0-9]+)([a-z]+)", "aaa123ccc", 1, "%"));
// replace with "!!!" what was matched the 4th time by the group 2
// input: a1b2c3d4e5
// outp...
Sort an Array by keys based on another Array?
...adding the keys with data from your actual array:
$customer['address'] = '123 fake st';
$customer['name'] = 'Tim';
$customer['dob'] = '12/08/1986';
$customer['dontSortMe'] = 'this value doesnt need to be sorted';
$properOrderedArray = array_merge(array_flip(array('name', 'dob', 'address')), $custo...