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How can I check that a form field is prefilled correctly using capybara?
...
If you specifically want to test for a placeholder, use:
page.should have_field("some_field_name", placeholder: "Some Placeholder")
or:
expect(page).to have_field("some_field_name", placeholder: "Some Placeholder")
If you want to test the user-ent...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...enerated, but it is not used in the changed row.
See demonstration below, tested with Percona Server 5.5.28. The configuration variable innodb_autoinc_lock_mode=1 (the default):
mysql> create table foo (id serial primary key, u int, unique key (u));
mysql> insert into foo (u) values (10);
m...
Export Data from mysql Workbench 6.0
...he begin of this line to comment it out
Save file and restart Workbench.
Tested on Windows 7 x64, MySQL 5.6.27 (MyISAM) & Workbench 6.3.5 x64.
Tested on OSX Yosemite 10.10.4, MySQL 5.5.27 (MyISAM), Workbench 6.3.5 build 201 CE x64.
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Are tuples more efficient than lists in Python?
...u might expect tuples to be slightly faster. However you should definitely test your specific case (if the difference might impact the performance of your program -- remember "premature optimization is the root of all evil").
Python makes this very easy: timeit is your friend.
$ python -m timeit ...
How can I find all of the distinct file extensions in a folder hierarchy?
...file extension. Example: when we run from maindir it will fail for maindir/test.dir/myfile
– Nelson Teixeira
Apr 2 '17 at 5:52
1
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Determine Whether Integer Is Between Two Other Integers?
...ange (or xrange in python2) returns a generator thus you cannot repeatedly test on it.
– yegle
Mar 3 '14 at 16:44
25
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What is pip's equivalent of `npm install package --save-dev`?
... I found and wasn't able to use) it can handle many files and environments(test, dev, production, etc. ). It also has command to upgrade all/any of your dependencies.
installation
pipm install pkg-name
installation as development dependency
pipm install pkg-name --dev
installation as testing d...
Determining 32 vs 64 bit in C++
...if _WIN32 || _WIN64 … #elif __GNUC__ … #else # error "Missing feature-test macro for 32/64-bit on this compiler."?
– Davislor
Nov 29 '15 at 20:24
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Sorting multiple keys with Unix sort
...y numeric and dictionary order, columns 5 and after as dictionary order
~/test>sort -t, -k1,1n -k2,2n -k3,3d -k4,4n -k5d sort.csv
1,10,b,22,Ga
2,2,b,20,F
2,2,b,22,Ga
2,2,c,19,Ga
2,2,c,19,Gb,hi
2,2,c,19,Gb,hj
2,3,a,9,C
~/test>cat sort.csv
2,3,a,9,C
2,2,b,20,F
2,2,c,19,Gb,hj
2,2,c,19,Gb,hi
2,...
Maven: Command to update repository after adding dependency to POM
...ork.
You can use mvn compile to download compile time dependencies or mvn test for compile time and test dependencies but I prefer something that always works.
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