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How do I check if a string is valid JSON in Python?
...he JSON that facebook sends back, but most JSON strings from web apps will start with a open square [ or curly { bracket. No images formats I know of start with those characters.
Conversely if you know what image formats might show up, you can check the start of the string for their signatures to ...
Increase heap size in Java
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Define "not working". Does it not start and give you an error? Does it start but use a different heap size?
– Kevin
Oct 14 '09 at 14:50
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How to get the nth occurrence in a string?
I would like to get the starting position of the 2nd occurrence of ABC with something like this:
11 Answers
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Setting up FTP on Amazon Cloud Server [closed]
... save changes, press escape, then type :wq, then hit enter.
Step #4: Restart vsftpd
Restart vsftpd by typing:
> sudo /etc/init.d/vsftpd restart
You should see a message that looks like:
If this doesn't work, try:
> sudo /sbin/service vsftpd restart
Step #5: Create an FTP user
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Execute script after specific delay using JavaScript
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A more compact routine: function delay(ms) { var start_time = Date.now(); while (Date.now() - start_time < ms); }
– Duke
Mar 18 '16 at 6:46
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Search all the occurrences of a string in the entire project in Android Studio
I've just started using Android Studio (IntelliJ), and I now look for the feature to find the occurrence of a string in any of the files in my project. For example: I want to find all the files that contain the string " .getUuid() "
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How to update Identity Column in SQL Server?
...ve SQL Server database and I want to change the identity column because it started
with a big number 10010 and it's related with another table, now I have 200 records and I want to fix this issue before the records increases.
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Excel VBA App stops spontaneously with message “Code execution has been halted”
...times during the development of one complex Excel VBA app. Sometimes Excel started to break VBA object quite randomly. And the only remedy was to reboot machine. After reboot, Excel usually started to act normally.
Soon I have found out that possible solution to this issue is to hit CTRL+Break once...
Batch file. Delete all files and folders in a directory
...cal enableextensions
if {%1}=={} goto :HELP
if {%1}=={/?} goto :HELP
goto :START
:HELP
echo Usage: %~n0 directory-name
echo.
echo Empties the contents of the specified directory,
echo WITHOUT CONFIRMATION. USE EXTREME CAUTION!
goto :DONE
:START
pushd %1 || goto :DONE
rd /q /s . 2> NUL
popd
:DO...
A connection was successfully established with the server, but then an error occurred during the pre
... in my case i was not getting this error and suddenly my local environment starts giving me above error, so may be that trick work for me.
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