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How do I get the application exit code from a Windows command line?
...e Reason Given is %errorlevel%
exit /b %errorlevel%
)
Warning: If you set an environment variable name errorlevel, %errorlevel% will return that value and not the exit code. Use (set errorlevel=) to clear the environment variable, allowing access to the true value of errorlevel via the %errorle...
Bash: infinite sleep (infinite blocking)
...to TYPE_MAXIMUM (time_t).
The actual value of TYPE_MAXIMUM (time_t) is not set in the standard (even sizeof(time_t) isn't); so, for the sake of example let's pick x86-64 from a recent Linux kernel.
This is TIME_T_MAX in the Linux kernel, which is defined (time.h) as:
(time_t)((1UL << ((size...
How to adjust text font size to fit textview
...ntent.Context;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.TextView;
public class FontFitTextView extends TextView {
public FontFitTextView(Context context) {
super(context);
initialise();
}
pub...
How do I prompt a user for confirmation in bash script? [duplicate]
...g longer strings. In this case they help reinforce the one-character limit set in the read command.
The negated form uses the logical "not" operator (!) to match (=~) any character that is not "Y" or "y". An alternative way to express this is less readable and doesn't as clearly express the intent i...
In Java, what does NaN mean?
...
Taken from this page:
"NaN" stands for "not a number". "Nan"
is produced if a floating point
operation has some input parameters
that cause the operation to produce
some undefined result. For example,
0.0 divided by 0...
moving changed files to another branch for check-in
...ituting the SHA from above.
Switch back to your original branch.
Use git reset HEAD~1 to reset back before your wrong-branch commit.
cherry-pick takes a given commit and applies it to the currently checked-out head, thus allowing you to copy the commit over to a new branch.
...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...名，这些名称在任何数据库中都不建议使用中文。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
1.2版本更新（2025/09/15）
默认sqlite3
优化库导入导出方法
.aix 拓展下载：
cn.fun123.SQ...
Float vs Decimal in ActiveRecord
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
What is the benefit of using $() instead of backticks in shell scripts?
There are two ways to capture the output of command line in bash :
8 Answers
8
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Is it better in C++ to pass by value or pass by constant reference?
...the new value of g.i from memory.
For more pratical rules, here is a good set of rules found in Move Constructors article (highly recommended reading).
If the function intends to change the argument as a side effect, take it by non-const reference.
If the function doesn't modify its argument and...