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Why 0 is true but false is 1 in the shell?
...orks have a similar convention - functions that succeed return 0 and and those that fail give back an error code describing the particular failure case.
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How to read the content of a file to a string in C?
...loc (length);
if (buffer)
{
fread (buffer, 1, length, f);
}
fclose (f);
}
if (buffer)
{
// start to process your data / extract strings here...
}
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What does Java option -Xmx stand for? [duplicate]
...st checks, anticipating future default
-Xrs reduce use of OS signals by Java/VM (see documentation)
-Xcheck:jni perform additional checks for JNI functions
-Xshare:off do not attempt to use shared class data
-Xshare:auto use shared class data if possible...
Iteration over std::vector: unsigned vs signed index variable
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For iterating backwards see this answer.
Iterating forwards is almost identical. Just change the iterators / swap decrement by increment. You should prefer iterators. Some people tell you to use std::size_t as the index variable type. However, that is not portable. Always use the size_type ...
Copy file remotely with PowerShell
...e that your script is executable from any client system with
access to those UNC paths. If you use local filesystem paths, then you
are cornering yourself into running the script on a specific computer.
This only works when a PowerShell session runs under the user who has rights to both admini...
How can I delete the current line in Emacs?
...e the current line. Tried CTRL + k but it only deletes from current position.
5 Answers
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printf() formatting for hex
...t question, but why when printing hex as an 8 digit number with leading zeros, does this %#08X Not display the same result as 0x%08X ?
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Fastest way to remove first char in a String
...k to understand than the third - I would view the Substring option as the most common and readable.
(Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly data itself.)
I wouldn't take performance into consideration he...
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
...
Deleting full .m2/repository local repository solved my problem.
Or else you need to know what plugins are you using exactly with their dependencies as one of the plugin suffered a problem while downloading.
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Convert from enum ordinal to enum type
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This is almost certainly a bad idea. Certainly if the ordinal is de-facto persisted (e.g. because someone has bookmarked the URL) - it means that you must always preserve the enum ordering in future, which may not be obvious to code mai...