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Escape double quotes in parameter
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Windows: the OS where globbing, shell expansion, and parameter unescaping is performed by the executable being invoked instead of the shell. You never know which convention, if any, the invoked executable honours.
– binki
Mar 28 '14 at 2:1...
How to add url parameters to Django template url tag?
In my view to get url parameters like this:
6 Answers
6
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Where'd padding go, when setting background Drawable?
...ts own padding, that padding will be added to the current padding.
*
* @param view View to receive the new background.
* @param backgroundDrawable Drawable to set as new background.
*/
public static void setBackgroundAndKeepPadding(View view, Drawable backgroundDrawable) {
Rect drawablePadd...
Single controller with multiple GET methods in ASP.NET Web API
....MapHttpRoute("DefaultApiWithId", "Api/{controller}/{id}", new { id = RouteParameter.Optional }, new { id = @"\d+" });
routes.MapHttpRoute("DefaultApiWithAction", "Api/{controller}/{action}");
routes.MapHttpRoute("DefaultApiGet", "Api/{controller}", new { action = "Get" }, new { httpMethod = new Htt...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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@NamNguyen If you want to talk about other forms of parameter expansion, there are at least a dozen more: ${parameter:-word}, ${parameter:=word}, ${parameter#word}, ${parameter/pattern/string}, and so on. I think those are beyond the scope of this answer.
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Overloading Macro on Number of Arguments
... To fix this, add an unused argument (or even just a comma) after the last param in the definition of FOO(...): #define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2, UNUSED)(__VA_ARGS__) (See it run on Coliru).
– metal
Apr 12 '17 at 12:26
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Add new field to every document in a MongoDB collection
...llection, you have to use empty selector, and set multi flag to true (last param) to update all the documents
db.your_collection.update(
{},
{ $set: {"new_field": 1} },
false,
true
)
EDIT:
In the above example last 2 fields false, true specifies the upsert and multi flags.
Upsert: If...
Easiest way to read from and write to files
...rite the string Str to a file
/// </summary>
/// <param name="Str"></param>
/// <param name="Filename"></param>
public static void WriteToFile(this string Str, string Filename)
{
File.WriteAllText(Filename, Str);
...
What is the proper way to check for null values?
...t session, if the type is correct and present
/// </summary>
/// <param name="key">The session key</param>
/// <param name="defaultValue">The default value</param>
/// <returns>Returns a strongly typed session object, or default value</returns>
public static...
How to get the index of an item in a list in a single step?
...t;see cref="IEnumerable{T}"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list">The list.</param>
/// <param name="predicate">The predicate.</param>
/// <returns>
/// The zero-based index of the firs...