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Where is the C auto keyword used?
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The page linked is outdated. Since C11, there's also _Thread_local details: en.cppreference.com/w/c/language/storage_duration and stackoverflow.com/a/14289720/6557621
– MCCCS
Jun 7 '18 at 16:02
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How to create a temporary directory?
.../bin/bash
# the directory of the script
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
# the temp directory used, within $DIR
# omit the -p parameter to create a temporal directory in the default location
WORK_DIR=`mktemp -d -p "$DIR"`
# check if tmp dir was created
if [[ ! "...
What is the email subject length limit?
... many problems with the subject you set: 1. Spaces should be encoded with '_', 2. An 'encoded-word' (=?charset?Q/B?data?=) may not be more than 75 characters long (rfc2047). 3rd You can not escape new line with '=' char at the end of the line (header QP encoding is different then body QP). Bottom l...
How do I find a default constraint using INFORMATION_SCHEMA?
...I don't want to use the sysobjects table, but the more standard INFORMATION_SCHEMA.
14 Answers
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Creating temporary files in Android
.../file extension (.tmp by default) e.g you specify your filename as internal_file and comes out as internal_file1456345.tmp. Whereas you can specify the extension you can't specify the number that is added. You can however find the filename it generates via file.getName();, but you would need to stor...
How to calculate the CPU usage of a process by PID in Linux from C?
...rocess
pgrp pgrp of the process
sid session id
tty_nr tty the process uses
tty_pgrp pgrp of the tty
flags task flags
min_flt number of minor faults
cmin_flt number of minor faults with child's
maj_flt number of major faults
cm...
Reading file contents on the client-side in javascript in various browsers
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{
alert(content);
}
ReadFileAllBrowsers(document.getElementById("file_upload"), CallBackFunction);
//Tested in Mozilla Firefox browser, Chrome
function ReadFileAllBrowsers(FileElement, CallBackFunction)
{
try
{
var file = FileElement.files[0];
var contents_ = "";
if (file) {
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MySQL Error 1215: Cannot add foreign key constraint
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I'm guessing that Clients.Case_Number and/or Staff.Emp_ID are not exactly the same data type as Clients_has_Staff.Clients_Case_Number and Clients_has_Staff.Staff_Emp_ID.
Perhaps the columns in the parent tables are INT UNSIGNED?
They need to be exactly ...
Print a file's last modified date in Bash
... edited Sep 23 '18 at 12:51
The_Modeler
1944 bronze badges
answered Dec 27 '13 at 20:25
mmondmmond
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Use CSS3 transitions with gradient backgrounds
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And here's a fiddle for that: jsfiddle.net/Volker_E/RksTV The key is the property background-size, which you can't in IE8. caniuse.com/#search=background-size Apart from that it's a nice solution.
– Volker E.
Nov 7 '13 at 22:35
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