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Logical operators (“and”, “or”) in DOS batch
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You can do and with nested conditions:
if %age% geq 2 (
if %age% leq 12 (
set class=child
)
)
or:
if %age% geq 2 if %age% leq 12 set class=child
You can do or with a separate variable:
set res=F
if %hour% leq 6 se...
How can strings be concatenated?
...atenating less than 15 strings but he recommends the other techniques: joinand %. (this current comment is just to confirm the @tonfa's comment above). Cheers ;)
– olibre
Nov 12 '13 at 13:06
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How do I convert a Vector of bytes (u8) to a string
I am trying to write simple TCP/IP client in Rust and I need to print out the buffer I got from the server.
3 Answers
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Binding a Button's visibility to a bool value in ViewModel
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Assuming AdvancedFormat is a bool, you need to declare and use a BooleanToVisibilityConverter:
<!-- In your resources section of the XAML -->
<BooleanToVisibilityConverter x:Key="BoolToVis" />
<!-- In your Button declaration -->
<Button
Height="50" Width="...
Python Script execute commands in Terminal
... somewhere a while ago but cant seem to find it. I am trying to find a command that will execute commands in the terminal and then output the result.
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Get generated id after insert
I'm using the SQLite with Android, and I want to know the best way to get the generated id of the row I inserted.
5 Answers...
How to hash some string with sha256 in Java?
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You'd basically convert the string into bytes (e.g. using text.getBytes(StandardCharsets.UTF_8)) and then hash the bytes. Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a string, you should use base64 or hex... don't try to use the String(...
Chrome Dev Tools: How to trace network for a link that opens a new tab?
...pens when I click on a link. The problem is that the link opens a new tab, and apparently the Dev Tools works per tab it was open for. "Preserve Log Upon Navigation" does not help.
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Android: How to put an Enum in a Bundle?
How do you add an Enum object to an Android Bundle?
12 Answers
12
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Using custom std::set comparator
... of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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