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Java; String replace (using regular expressions)?
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Still getting error "invalid escape sequence" ... am i missing something?
– Dan Burzo
Mar 10 '09 at 21:03
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How to check if command line tools is installed
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[agree, print, cancel]
Type agree. And then it will end with:
clang: error: no input files
Which basically means that you didn't give make or gcc any input files.
Here is what the check looked like:
$ xcode-select -p
/Applications/Xcode.app/Contents/Developer
Mavericks
With Mavericks, ...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...to get it working? I have 1gb ram VPS, I always get cannot allocate memory error..
– Mohammed Noureldin
Jul 27 '17 at 15:50
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Replace multiple whitespaces with single whitespace in JavaScript string
...hitespaces. Maybe you can help me to understand why. I guess it's a chrome error? Try running my code in chrome console and let me know.
– Roger Gajraj
Sep 13 '15 at 5:05
add ...
Angular.js programmatically setting a form field to dirty
...u can use $setDirty() on fields (source). For example, for each field with error and marked required you can do the following:
angular.forEach($scope.form.$error.required, function(field) {
field.$setDirty();
});
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Get all directories within directory nodejs
... There are some glaring problems with this answer: it does not have any error handling; (the callback signature should be (err, dirs)); it won't call back in the presence of dot files or folders; it is susceptible to all the race conditions; it may call back before it has checked all the entries....
What is a callback function?
... another is called in the event that the parent function throws a specific error, etc).
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Can I use assert on Android devices?
...t.
You can do
import static junit.framework.Assert.*;
now you can use all the functions like assertTrue, assertEquals, assertNull that are provided in the junit framework.
Be careful not to import the Junit4 framework through eclipse, that would be the org.junit package. You have to use the j...
Which is the preferred way to concatenate a string in Python?
...b):
0.0132720470428
a.join(a):
0.114929914474
Well, append/join is marginally faster there if you are using extremely long strings (which you usually aren't, what would you have a string that's 100MB in memory?)
But the real clincher is Python 2.3. Where I won't even show you the timings, because...
Copy constructor for a class with unique_ptr
...it has already been deleted and we will get some bad memory access runtime error (or undefined behavior if we are unlucky).
So, the right way is to either implement copy constructor and copy assignment operator, so that the behavior is clear and we can create a copy.
unique_ptr is way ahead of us ...