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React JSX: selecting “selected” on selected option
...e={this.state.fruit} handleChange={this.handleChange} />
)
}
}
included component (which is now a stateless functional):
export const ReactExample = ({ name, value, handleChange }) => (
<select name={name} value={value} onChange={handleChange}>
<option value="A">App...
Using GCC to produce readable assembly?
... Intermix source code with disassembly
-l, --line-numbers Include line numbers and filenames in output
objdump -drwC -Mintel is nice:
-r shows symbol names on relocations (so you'd see puts in the call instruction below)
-R shows dynamic-linking relocations / symbol names (usefu...
'ssh-keygen' is not recognized as an internal or external command
...of msysgit:
C:\path\to\msysgit1.7.11\bin\ssh-keygen.exe
if your %PATH% includes C:\path\to\msysgit1.7.11\bin\, you will have ssh-keygen.
Update 2015:
ssh-keygen.exe is part of Git For Windows, whose releases include PortableGit-2.4.3.1-2nd-release-candidate-64-bit.7z
c:\path\to\PortableGit-...
In C, how should I read a text file and print all strings
...ple cases.
I sprinkled it with comments because there's a lot going on.
#include <stdio.h>
#include <stdlib.h>
char* ReadFile(char *filename)
{
char *buffer = NULL;
int string_size, read_size;
FILE *handler = fopen(filename, "r");
if (handler)
{
// Seek the last...
Why does Lua have no “continue” statement?
...
I hope they include an actual continue one day. The goto replacement doesn't look very nice and needs more lines. Also, wouldn't that create trouble if you had more than one loop doing this in one function, both with ::continue::? Making...
Use Font Awesome Icon in Placeholder
...ou want. For example when using FA5 Free, I could not get it to work if I included the all.css, but it worked fine if I included the solid.css:
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/solid.css">
<input type="text" placeholder="&#xF002; Sear...
Returning JSON from PHP to JavaScript?
... in mind that json_encode() (like all functions) always returns something (including NULL); you can print the data, process it and then print it, assing it to a variable for later use, save it to a file, etc... You can read more about return in PHP: Returning values. Also you can (and should!) check...
How to reset Jenkins security settings from the command line?
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Remove Object from Array using JavaScript
...ow can I remove an object from an array?
I wish to remove the object that includes name Kristian from someArray . For example:
...
Is file append atomic in UNIX?
...you write to a log file you opened in 'O_APPEND' mode and keep your lines (including newline) under 'PIPE_BUF' bytes long, you should be able to have multiple writers to a log file without any corruption issues. Any interrupts will arrive before or after the write, not in the middle. If you want f...