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Forcing a WPF tooltip to stay on the screen
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Simple way to encode a string according to a password?
...asual observer, and you aren't looking to use third party libraries. I'd recommend something like the Vigenere cipher. It is one of the strongest of the simple ancient ciphers.
Vigenère cipher
It's quick and easy to implement. Something like:
import base64
def encode(key, string):
encoded_c...
How to build a query string for a URL in C#?
A common task when calling web resources from a code is building a query string to including all the necessary parameters. While by all means no rocket science, there are some nifty details you need to take care of like, appending an & if not the first parameter, encoding the parameters etc.
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How do I ignore files in Subversion?
...tterns is explained in SVN's online documentation: http://svnbook.red-bean.com/nightly/en/svn.advanced.props.special.ignore.html "File Patterns in Subversion".
Subversion, as of version 1.8 (June 2013) and later, supports 3 different ways of specifying file patterns. Here's a summary with examples:...
Check if a variable is a string in JavaScript
...e case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for how to handle these, if you so desire.
The Google JavaScript Style Guide says to never use primitive object wrappers.
Douglas Crockford recommended that primitive object ...
What are OLTP and OLAP. What is the difference between them?
... It involves Queries accessing individual record like Update your Email in Company database.
OLAP (On-line Analytical Processing) deals with Historical Data or Archival Data. OLAP is characterized by relatively low volume of transactions. Queries are often very complex and involve aggregations. For ...
Test for existence of nested JavaScript object key
...9-10-17:
The optional chaining proposal reached Stage 3 on the ECMAScript committee process, this will allow you to safely access deeply nested properties, by using the token ?., the new optional chaining operator:
const value = obj?.level1?.level2?.level3
If any of the levels accessed is null ...
When NOT to use Cassandra?
...almost the same kind of solutions oriented toward ACID properties. When it comes to NoSQL, the decision becomes difficult because every NoSQL database offers different solutions and you have to understand which one is best suited for your app/system requirements. For example, MongoDB is fit for use...
What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]
...g the history of a branch instead of just seeing a bunch of rows for every commit it can group commits by today, week, etc.
Mapping of trunk, branches, and tags
Subversive assumes the default svn layout: trunk, branches, tags (which you can change), so whenever you want to tag or branch it is one ...
What is the difference between memmove and memcpy?
...ot pass the same address as input and output. Read more here stackoverflow.com/questions/776283/…
– DanielHsH
Jan 1 '15 at 10:46
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