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SQLite with encryption/password protection
...MyDatabase.sqlite;Version=3;Password=password;");
conn.Open();
This wont allow any GUI editor to view Your data.
Later if you wish to change the password, use conn.ChangePassword("new_password");
To reset or remove password, use conn.ChangePassword(String.Empty);
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What represents a double in sql server?
...appear to be 100% compatible in their binary representation of both very small and very large numbers -- see https://dotnetfiddle.net/wLX5Ox for my test).
To make things more confusing, a "float" in C# is only 32-bit, so it would be more equivalent in SQL to the real/float(24) type in MSSQL than fl...
How to use NSCache
...ign
// decision you'll have to make yourself.
myWidget = [[[Widget alloc] initExpensively] autorelease];
// Put it in the cache. It will stay there as long as the OS
// has room for it. It may be removed at any time, however,
// at which point we'll have to create it again on ne...
What is pluginManagement in Maven's pom.xml?
...uginManagement is only a way to share the same plugin configuration across all your project modules.
From Maven documentation:
pluginManagement: is an element that is seen along side plugins. Plugin Management contains plugin elements in much the same way, except that rather than configuring pl...
When to use valueChangeListener or f:ajax listener?
...e" and FacesContext#renderResponse() to prevent that from happening. After all, using the valueChangeListener to execute business actions has actually always been a hack/workaround.
Summarized: Use the valueChangeListener only if you need to intercept on the actual value change itself. I.e. you're ...
How do I calculate a point on a circle’s circumference?
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Note that a must be in radians - that was really hard for me as a beginner to understand.
– ioan
Jun 2 '13 at 20:55
13
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How can I set the max-width of a table cell using percentages?
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Actually max-width works in Safari and Chrome now. I am not sure how long it has been supported for.
– Jay
Aug 30 '19 at 6:36
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Change working directory in my current shell context when running Node script
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The correct way to change directories is actually with process.chdir(directory). Here's an example from the documentation:
console.log('Starting directory: ' + process.cwd());
try {
process.chdir('/tmp');
console.log('New directory: ' + process.cwd());
}
catch (err...
Creating temporary files in bash
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The mktemp(1) man page explains it fairly well:
Traditionally, many shell scripts take the name of the program with
the pid as a suffix and use that as a temporary file name. This kind
of naming scheme is predictable and the race condition it creates is
easy for an attacker t...
How do I start PowerShell from Windows Explorer?
...owershell you could also type powershell_ise which is nicer since it is finally resizable and has a proper font.
– Michael S.
Feb 14 '15 at 10:38
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