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Capturing Groups From a Grep RegEx
... grep) will match any of the following examples and more, which may not be what you're looking for:
123_abc_d4e5
xyz123_abc_d4e5
123_abc_d4e5.xyz
xyz123_abc_d4e5.xyz
To eliminate the second and fourth examples, make your regex like this:
^[0-9]+_([a-z]+)_[0-9a-z]*
which says the string must st...
On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
... LoginActivity on top of the existing stack. Which is almost certainly NOT what you want (weird behavior where the user can 'back' their way out of login into a previous screen).
So if you have previously finish()'d the LoginActivity, you need to pursue some mechanism for clearing your stack and th...
What to add for the update portion in ConcurrentDictionary AddOrUpdate
... you don't know it happened, if you want to only change it if the value is what you expect then this wont do that for you.
– trampster
Aug 7 '18 at 11:43
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How to remove focus without setting focus to another control?
...orking for me either as you found (saw in comments to another answer), but what worked for me in the end was adding:
<LinearLayout
android:id="@+id/my_layout"
android:focusable="true"
android:focusableInTouchMode="true" ...>
to my very top level Layout View (a linear layout)...
Open firewall port on CentOS 7
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I used this command but it didn't work for me, what did, was changing --zone=dmz to --zone=public
– Tom Hall
Sep 25 '14 at 6:04
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What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
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I'm not sure what difference it makes still. Its not like post is any more protected or encrypted than get. It is still just plain text. I can send a request just as easily as post via any tool and still get the same plain text informati...
When is a function too long? [closed]
...an absolute joy to read, it's elegance is immediately apparent. And guess what: the functions are often very short in length.
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How can I check for “undefined” in JavaScript? [duplicate]
What is the most appropriate way to test if a variable is undefined in JavaScript?
16 Answers
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Recommended way to stop a Gradle build
...d idea), or use a dedicated function in Gradle (but I could not find one). What is the best way for Gradle (and why?).
6 An...
Fixed position but relative to container
... decrease the left margin until it was aligned. No stays aligned no matter what the width of the windows. Thanks. +1
– Iain M Norman
Feb 2 '12 at 11:37
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