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How do I check if a SQL Server text column is empty?
...he actual question, but just a remark for people that only read the title, don't forget to add OR mytextfield IS NULL when your column can be NULL
– Daan
Aug 27 '15 at 9:50
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
...that based off the project path). Was there a particular justification for doing this?
7 Answers
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Javascript: How to loop through ALL DOM elements on a page?
...ementsByTagName() so that it will return all elements in a page:
var all = document.getElementsByTagName("*");
for (var i=0, max=all.length; i < max; i++) {
// Do something with the element here
}
Note that you could use querySelectorAll(), if it's available (IE9+, CSS in IE8), to just fin...
Get specific object by id from array of objects in AngularJS
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The only way to do this is to iterate over the array. Obviously if you are sure that the results are ordered by id you can do a binary search
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python: Change the scripts working directory to the script's own directory
... change into whatever directory your Python script is located, even if you don't know what directory that will be when you're writing your script. To do this, you can use the os.path functions:
import os
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
This t...
Remote debugging with Android emulator
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works like a charm, even from my Windows 7 machine with Putty SSH port forwarding. Thank you.
– gsbabil
Jun 20 '12 at 3:33
1
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Git ignore sub folders
... @Marcel: Well, git certainly isn't going to ignore any files you don't tell it to - it ignores whatever matches the wildcards, no more, no less.
– Cascabel
Mar 30 '10 at 14:59
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What is the purpose of “&&” in a shell command?
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&& lets you do something based on whether the previous command completed successfully - that's why you tend to see it chained as do_something && do_something_else_that_depended_on_something.
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How to run Visual Studio post-build events for debug build only
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Pre- and Post-Build Events run as a batch script. You can do a conditional statement on $(ConfigurationName).
For instance
if $(ConfigurationName) == Debug xcopy something somewhere
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ORA-00979 not a group by expression
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No, you do not need to put them in your order by clause
– Xaisoft
Oct 5 '09 at 15:10
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