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Best way to check if a Data Table has a null value in it
... || dr1["Columnname"].ToString() == ""
select Columnname);
Here Replace Columnname with table column name and "" your search item in above code we looking null value.
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#ifdef replacement in the Swift language
...what I wanted by using custom Build Configurations:
Go to your project / select your target / Build Settings / search for Custom Flags
For your chosen target set your custom flag using -D prefix (without white spaces), for both Debug and Release
Do above steps for every target you have
Here's ...
Create a shortcut on Desktop
...f a solution works for you, it is customary to upvote it. Also, you should select the best solution and accept it as the answer to your problem.
– Thorarin
Feb 8 '11 at 10:46
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Do you debug C++ code in Vim? How? [closed]
...ey are able to jump around definitions in a C++ class aware manner without selecting and installing several different plugins themselves, and that includes while step debugging stuff. As of 2020 the least worst one for me was Eclipse: https://www.slant.co/topics/1411/~best-ides-for-c-on-linux
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Microsoft Excel mangles Diacritics in .csv files?
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select UTF-8 enconding when importing. if you use Office 2007 this is where you chose it :
right after you open the file.
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Stacked Tabs in Bootstrap 3
...but it doesn't look like a tab (appropriate left, right borders) when it's selected/active. That's the purpose of tabs.
– Zim
Mar 1 '14 at 11:42
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Does Notepad++ show all hidden characters?
...ould identify the character, where cursor takes 2 arrow keys
to move, just select that character.
do Ctrl-F
now you can count or
replace or even mark all such characters
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How to declare a friend assembly?
...y={1}",
assemblyName.Name,
string.Join("", assemblyName.GetPublicKey().Select(m => string.Format("{0:x2}", m))));
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Parsing JSON with Unix tools
...s is format the JSON, if I'm not mistaken. It does not allow the caller to select a particular field from the output, as would an xpath solution, or something based on "JSON Pointer".
– Cheeso
Jun 4 '14 at 0:42
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postgresql port confusion 5433 or 5432?
...instances running so make sure you're connecting to the right one by using select version() and SHOW data_directory;.
You can also specify a unix socket directory; check the unix_socket_directories setting of the PostgreSQL instance you wish to connect to and specify that with psql -h, e.g.psql -h...