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Python regular expressions return true/false
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sorry, did you address the comments in your answer? Its unclear to me, do you mind clarifying?
– Charlie Parker
Feb 8 '17 at 3:20
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Change text color based on brightness of the covered background area?
...this:
W3C - Ensure that foreground and background color combinations provide sufficient contrast
Calculating the Perceived Brightness of a Color
Here's the W3C algorithm (with JSFiddle demo too):
const rgb = [255, 0, 0];
// Randomly change to showcase updates
setInterval(setContrast, 10...
Capturing mobile phone traffic on Wireshark
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Here are some suggestions:
For Android phones, any network: Root your phone, then install tcpdump on it. This app is a tcpdump wrapper that will install tcpdump and enable you to start captures using a GUI. Tip: You will need to make sure you supply the right i...
missing private key in the distribution certificate on keychain
...import that .p12 file and you are good to go (just make sure you have a valid provisioning profile).
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Android SQLite: nullColumnHack parameter in insert/replace methods
The Android SDK has some convenience methods for manipulating data with SQLite. However both the insert and replace methods use some nullColumnHack parameter which usage I don't understand.
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On - window.location.hash - Change?
... Just to add yet another update, the hashchange event is now widely supported: caniuse.com/#search=hash
– Paystey
Mar 12 '12 at 9:39
19
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How to call a method after bean initialization is complete?
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You can use something like:
<beans>
<bean id="myBean" class="..." init-method="init"/>
</beans>
This will call the "init" method when the bean is instantiated.
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regex to match a single character that is anything but a space
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Copying files from one directory to another in Java
...rty tools instead of writing all utilities by ourself seems to be a better idea. It can save time and other valuable resources.
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Getting the value of an attribute in XML
... is simply xsl:value-of select="./@attributename"
– Sidharth Ramesh
Apr 28 at 13:38
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