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Delete everything in a MongoDB database
...his? Bonus points for giving both a MongoDB console method and a MongoDB Ruby driver method.
17 Answers
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How to delete a character from a string using Python
...e a C programmer. In Python, strings are stored with their length, so any byte value, including \0, can appear in a string.
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PHP Warning: PHP Startup: Unable to load dynamic library
...rmissions are incorrect.
Try to search in the .ini files that are loaded by PHP (phpinfo() can indicate which ones are) - one of them should try to load that extension.
Either correct the path to the file or comment out the corresponding line.
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Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl
...the unsafe block.
What could cause this error? The following message shows by the debugger.
18 Answers
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How to pass JVM options from bootRun
.... See this.
That means that you can configure the plugin to use the proxy by adding:
bootRun {
jvmArgs = "-Dhttp.proxyHost=xxxxxx", "-Dhttp.proxyPort=xxxxxx"
}
to your build file.
Of course you could use the systemProperties instead of jvmArgs
If you want to conditionally add jvmArgs from ...
Append TimeStamp to a File Name
... same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.') .
Is there a better way to do this?
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Error: Could not create the Java Virtual Machine Mac OSX Mavericks
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Normally this error occurs when you invoke java by supplying the wrong arguments/options. In this case it should be the version option.
java -version
So to double check you can always do java -help, and see if the option exists. In this case, there is no option such as...
How to undo a git merge with conflicts
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I found I needed to do git merge --abort followed by git reset --merge when having automerge conflict from popping my stash.
– Chef Pharaoh
Apr 19 '18 at 15:04
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How to overcome TypeError: unhashable type: 'list'
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As indicated by the other answers, the error is to due to k = list[0:j], where your key is converted to a list. One thing you could try is reworking your code to take advantage of the split function:
# Using with ensures that the file is...
Map and Reduce in .NET
...he name an one does not have to write any code for it. It is solely driven by the Key that is extracted in the map step. Joel Martinez answer highlights that in my opinion better.
– xtofs
May 30 '17 at 15:58
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