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Extracting the last n characters from a string in R

... | edited Nov 1 '11 at 12:30 answered Nov 1 '11 at 8:19 And...
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Is there a difference between single and double quotes in Java?

... Luiggi Mendoza 79.9k1010 gold badges130130 silver badges278278 bronze badges answered Jan 13 '09 at 15:54 Yuval AdamYuval Adam ...
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How can I inject a property value into a Spring Bean which was configured using annotations?

... 293 You can do this in Spring 3 using EL support. Example: @Value("#{systemProperties.databaseName}...
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Android SQLite: nullColumnHack parameter in insert/replace methods

... answered Apr 18 '10 at 19:30 CommonsWareCommonsWare 873k161161 gold badges21342134 silver badges21612161 bronze badges ...
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How is the “greater than” or “>” character used in CSS?

... 203 It's a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags th...
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How to detect UI thread on Android?

...) { // On UI thread. } else { // Not on UI thread. } From API level 23 and up, there's a slightly more readable approach using new helper method isCurrentThread on the main looper: if (Looper.getMainLooper().isCurrentThread()) { // On UI thread. } else { // Not on UI thread. } ...
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GIT merge error “commit is not possible because you have unmerged files”

...tenjonnystoten 5,79622 gold badges2727 silver badges3535 bronze badges 2 ...
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Choice between vector::resize() and vector::reserve()

... | edited Mar 30 '16 at 18:18 Community♦ 111 silver badge answered Sep 13 '11 at 6:49 ...
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What is the maximum length of a valid email address?

... 1237 An email address must not exceed 254 characters. This was accepted by the IETF following submi...
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regex to match a single character that is anything but a space

... 263 The following should suffice: [^ ] If you want to expand that to anything but white-space (li...